提问动词用what……do/done/doing 为什么不用did 可不可以what does

提问动词用what……do/done/doing 为什么不用did 可不可以what does 英语非谓语动词的题A computer dose only what thinking people___.A.hace it do B.have it done C.have done it D.having it done（A,B,C,什么情况下用?） ( )in the sports bag? Two tennis balls A：What are B:What does C:What's D:What do顺便问一下：在不知道答案是单复数的情况下；提问时BE动词用单数还是复数 What should ____ must ____.A do,do B be done,be done C to be done ,do D do,be done You will ask for what you A will do B have done C had done D do 选B 为什么为什么用现在完成时 什么时候用be动词提问用do提问 My homework is done.What do we do ( A.last B.first C.next D.second 疑问句有实义动词时除了用do does did done 可不可以用情态动词 do did done后面怎么接动词 what do you think__to protect our environment in the past few year?A to do B was done C has been done D have done Nobody noticed what the young man___at that moment.A.will do B.was doing C.has done D.had done YOU are so busy .what do you want me ? for you A do B done C to do D doing You are so busy .What do you want me _________for you?A.do B.done C.to do D.doing 高中语法综合练习729.What do you think our tough lessons have( ) with our future career?A.done B.to do C.do D.to be done ___be done to stop the river from being polluted .A.what do you suggest.B.what do you suggest that should 提问：为什么选A不选B What have you____?A.do b.did c.doing d.done what did he want-----to those peoplea do b doing c done d did They had good discipline and did only what had___.A.to do B.to be done C. done D.been done求解释