4 Which words that are both verbs and nouns can complete these sentences? 1 Her parents. . that she is in serious trouble. I suffer from a terrible.. of flying. 2 The school won't tolerate any form of racial… . Research shows that many criminals.. drugs. 3 The court may. . that the action is illegal. The …. is that you can't touch the ball with your hand. 4 Newer varieties of wheat might give a higher …. How much will this year's crop. .?

1. Here are the words that can complete the sentences:

- 1 Her parents suspect that she is in serious trouble.
Explanation: In this sentence, the word "suspect" can be used both as a verb and a noun. As a verb, it means to believe or have a feeling that something is true or likely to happen. As a noun, it refers to a person who is believed to have committed a crime or done something wrong.

- I suffer from a terrible fear of flying.
Explanation: In this sentence, the word "fear" can be used both as a verb and a noun. As a verb, it means to be afraid or apprehensive of something. As a noun, it refers to an unpleasant emotion caused by the belief that someone or something is dangerous, likely to cause pain, or a threat.

- 2 The school won't tolerate any form of racial discrimination.
Explanation: In this sentence, the word "discrimination" can be used both as a verb and a noun. As a verb, it means to treat someone unfairly or differently based on their race, religion, or other characteristics. As a noun, it refers to the unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex.

- Research shows that many criminals use drugs.
Explanation: In this sentence, the word "use" can be used both as a verb and a noun. As a verb, it means to take, consume, or employ something for a specific purpose. As a noun, it refers to the act or practice of using something.

- 3 The court may rule that the action is illegal.
Explanation: In this sentence, the word "rule" can be used both as a verb and a noun. As a verb, it means to make an official decision or judgement. As a noun, it refers to an authoritative decision or statement made by a judge or court.

- The rule is that you can't touch the ball with your hand.
Explanation: In this sentence, the word "rule" can be used both as a verb and a noun. As a verb, it means to govern or control. As a noun, it refers to a regulation or principle that guides conduct or procedure within a particular domain or activity.

- 4 Newer varieties of wheat might give a higher yield.
Explanation: In this sentence, the word "yield" can be used both as a verb and a noun. As a verb, it means to produce or provide a result, gain, or harvest. As a noun, it refers to the quantity of something produced or obtained, especially as a result of cultivation or mining.

- How much will this year's crop yield?
Explanation: In this sentence, the word "yield" can be used both as a verb and a noun. As a verb, it means to produce or provide a result, gain, or harvest. As a noun, it refers to the quantity of something produced or obtained, especially as a result of cultivation or mining. In this sentence, it is used as a verb, asking about the amount that the crop will produce.