Complete the sentences with modal verbs must, mustn’t, may, can, can’t ,should, shouldn’t : 1. ann's husband play football, tennis but he not cook or iron. 2. i ask you a question? – yes, certainly. 3. you put so much sugar in your tea. 4. i when i was a child, because i lived in africa. 5. you talk aloud in the library. 6. students practice their reading every day. 7. you __ be more attentive next time.