1) You two go ahead without me. I _____ have to work until late tonight. a) can b) may c) should d) could 2) This box isn't as heavy as it looks. You _____ help me with it.  a) must b) mustn't c) might d) needn't 3) Yesterday everyone in the office ______ leave the building for a fire drill.  a) must b) had to c) might d) should 4) You _____ play loud music at night. The neighbors will call the police. a) mustn't b) couldn't c) might not d) needn't 5) You _____ stand up. There are a lot of seats available on the bus. a) couldn't b) mustn't c) needn't d) might not 6) People who use public parks _____ clean up after themselves. a) must b) may c) ought d) might 7) This library book is overdue. I _____ better return it today. a) need b) must c) might d) had 8) Our company provides free advice on the use of our products. You _______ pay us. a) must b) have to c) needn't d) mustn't 9) Whatever _______ come, I'll always be by your side. a) must b) may c) could d) need 10) "______ you hand me that book, please?" "Sure. Here it is." a) Could b) Should c) Must d) May

Modal verbs

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