情态动词1. John ____ be at home because he has just phoned me from a nearby town. A. mustn’t B. is not able toC. can’t D. may not2. There is someone knocking at the door, who ____ it be? A. canB. mayC. mustD. need3. —______ we go now, Mike? —Sure. Let’s go. A. Will B. Shall C. DoD. Are...
时间:2024-11-20 19:50栏目:幼儿/小学教育