complete the sentences with after, ahead, back, for, forward to, in, on, out, around, through, to or up. 1. If you don't know any words, look them in a dictionary. 2. Can you look my cat when I​

1. If you don't know any words, look them up in a dictionary.
Explanation: When we use the phrasal verb "look up," it means to search for information in a dictionary or another reference source. By looking up words in a dictionary, you can find their meanings, pronunciations, and examples of how to use them in sentences.

2. Can you look after my cat when I am away?
Explanation: When we use the phrasal verb "look after," it means to take care of someone or something. In this sentence, the speaker is asking if the listener can take care of their cat while they are not present.

Note: In order to provide a complete and detailed answer, it would be helpful to have more context or additional sentences related to the exercise. The answer above covers the meaning and usage of the phrasal verbs "look up" and "look after."