—Oil is everywhere in this store, so you know smoking is forbidden here.—I’m sorry.A. can B. may C. must
_______ is easy for many students to _______ to school. A. It , get B this, arrive C. That, get D. He, arrive
—Must I get there on time? 一No, you. A. can't B. mustn't C. needn't
Please tell him about it if hethis afternoon. A. comes B. come C. will come
I like the teacheris strict with us. A. which B. who C. whose
He studiedto get good grades. A. carefully enough B. enough carefully C. careful enough