A、 I have doubt.
B、 There is no doubt about it.
C、 Yes. No doubt.
D、 It is not doubtful.
9. _______you _______ stay at home today?A. Do ; have toB. Must; have toC. Have; toD. Do ; must
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I must have thrown away ( ) by mistake.A、his’B、hisC、he’sD、he
When he was six he ___ speak some Japanese.A.canB.couldC.is able toD.must
Teacher:Where is Mike this morning?Student:He's got a cold.Teacher:______A、He is absent.B、What's the matter with him?C、Just tell him to take it easy.D、What? Where is he?
假设存在表STUDENT.dbf,如果要显示成绩中最高的15%的考生信息,应输入命令:SELECT * TOP【 】FROM STUDENT ORDER BY 成绩 DESC
---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.--- - No, it ________ be him. He is holding a meeting in the office now.A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t
3.—__________ 1 go out for a while?—No,you __________ You must finish your homework first.A. Must,needn'tB. Can,mayC. May,mustn'tD. May,must