情态动词1.I saw Susan in the library just now. No, it _ be her. She went to Shanghai this morning. A.must B.cant C.may D.neednt2._I use your dictionary? Sorry, I felt it at home. A.Must B.Need C. May D. Should3.Weve got everything ready for the trip. You mean I _ bring anything with me, right? A.cant B.mustnt C.neednt D.couldnt4. -Mum, Ive signed for the box. Whats in it? -Im not sure. It _ be a present from your uncle. A. need B. must C. may D. will5. - _I hand in the report today?- No, you neednt. A. Can B. Must C. Shall D. Could6.Will Jim fly to Taiwan for a holiday? He _ try. In fact, it depends on how much the journey costs. A.may B.has to C.need D.must7. .I wonder if these are Dannys glasses？They _ be DannysHe doesnt wear glasses.A.cant B.must C.mustnt D.can8.Must I stay here with you , Mum? No, you _ .You may go home now, but you _ go to the net-bar. A.mustnt ; neednt B.neednt ; mustnt C.must; need D.need; must9.Mum, must I go shopping with you this afternoon? No,you _. Youd better finish your homework first. A.cant B.must C.neednt D.mustnt10. I have travelled a lot. I _ speak four languages.A. canB. may C. must D. need11. -I dont care what people think. -Well, you _. Youre not alone in this world. A. can B. may C. should D. will 12.Look! The man at the school gate _ be our headmaster .He is No, it _ be him. He is holding a meeting in the office now. A.must; cant B.must; mustnt C.cant mustnt 13. I have a serious headache. _ I go to school? No, you neednt.A. Must B. Can C. ShouldD. May14. The tall man with glasses over there looks like our math teacher.It _ be him. He has gone abroad.A. may notB. mustntC. cantD. neednt 15. Sixty dollars for such a T-shirt! You _ be joking!Im serious. Its made of silk from Hangzhou. A. must B. need C. will D. can