1) I _______ finish my homework because the internet stopped working. a) couldn't b) had to c) didn't have to d) mustn't 2) We _______ wake up early yesterday; it was a holiday. a) didn't have to b) couldn't c) had to d) can't 3) She _______ go to the doctor because her stomach hurt all day. a) didn't have to b) can c) had to d) hasn't to 4) They _______ find the museum because the map was very confusing. a) didn't have to b) don't have to c) had to d) couldn't 5) I _______ clean the kitchen because my sister did it earlier. a) couldn't b) didn't have to c) had to d) doesn't have to 6) He _______ leave the meeting early to pick up his daughter. a) has to had b) doesn't have to c) had to d) mustn't 7) We _______ buy any tickets; the event was free. a) can't b) didn't have to c) couldn't d) had to 8) She _______ open the jar; it was too tight. a) didn't have to b) doesn't have to c) had to d) couldn't 9) I _______ study all evening because I had an important test today. a) didn't have to b) couldn't c) had to d) mustn't 10) They _______ finish the project on time because they started late. a) couldn't b) mustn't c) didn't have to d) had to

Unit 3D grammar practice_1

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