1) Complete the sentence: So that she can go to school she ____ wash her car. a) have to b) can c) could d) may e) might f) should 2) Complete the sentence: ____ we call the police? (informal) a) must b) can c) could d) may e) should f) have to 3) Complete the sentence: If I were you, I ____ worry about it. a) should not b) should c) can d) could e) must f) have to 4) Complete the sentence: Dear sir, good morning. ____ I ask you a question? a) might b) must c) can d) may e) have to f) should 5) Complete the sentence: You ____ read this for him. It's rude. (informal) a) must b) have to c) may d) can not  e) may not f) might not 6) Complete the sentence: This ___ sometimes happen because currency prices ___ be very volatile. a) can/ can b) must/ can c) have to/ must d) have to/ could e) must/ could 7) Complete the sentence:  The doctor ___ see you now. a) could b) might c) should d) must 8) Please, you ___ call me tomorrow. It's urgent. a) can b) may c) should d) might 9) Complete the sentence: I ___ do this! It's my turn. a) could b) have to c) may d) might 10) Complete the sentence: I ________ leave now. I have an English class. a) should b) have to c) might d) may 11) Complete the sentence: ___we go out to celebrate our anniversary? a) Shall b) Might c) May d) Ought to 12) Complete the sentence: If you lie to me again, I ____ be very angry. a) do b) shall c) might d) must 13) Complete the sentence: I think it ____ stay rainy all weekend. a) must b) have to c) may d) should 14) Complete the sentence: You ___drink and drive. a) must not b) must c) can d) could 15) Complete the sentence: We ____ call the director yesterday. a) Have to b) Had to c) Has to d) can 16) Complete the sentence: I got it! I ____make dinner today. a) will b) shall c) can d) might 17) Complete the sentence: She ____see things I never _____. a) Can/ must b) Could/ Could c) Could/ have to d) Could/ must 18) Complete the sentence: Voldemort had powers I ____ never have. a) can b) will c) have to d) might 19) Complete the sentence: It _____ mean staying late all week. (pouco provável). a) might b) may c) should d) must 20) Complete the sentence: I ____ play with you. (negativa) a) must b) cannot c) have to d) had not 21) Complete the sentence: But you ____forget it. You become responsible, forever,for what you have tamed. a) can b) must not c) could d) may 22) Complete the sentence: That _____ be true. I don't believe! a) can b) should c) may d) will not 23) Complete the sentence: He ____ call it, for example, "Asteroid 325." (pouco provável). a) must b) have to c) might d) may 24) Complete the sentence: ____ I sit down? came now a timid inquiry from the little prince. a) Might b) May c) Will d) Must 25) Complete the sentence: I ____ leave you," I said. (Negativa no futuro). a) shall not b) cannot c) could not d) may not

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