精选优质文档-倾情为你奉上情态动词专项练习I.单项选择。1The last bus has gone. We _ go home on foot. A. couldB. mustC. have toD. can 2 _ you please tell me how to get to the airport? A. ShallB. MayC. ShouldD. Will3Post the letter for me when you go out, _ you? A. willB. doC. dont D. shall 4. I_work out the maths problem yesterday, but I can work it out now. A. cant B. couldnt C. may not D. neednt5. Judging by her accent, she _ be
