How can I repair the mistake I have made?mistake要加"s”吗?

How can I repair the mistake I have made?mistake要加s”吗? I can't repair the bike,but Uncle Wang may be h____.How many m____ do you know in the club? 1.Can you tell me _______ deal with the problems?A.how to B.how can I C.what to D.what can I 请问为什么选A而不是选B呢?2.Something is wrong with my car．I have to get it_________．A．repair B．repairing C．to repair D．repaired为什 The computer needs ___ before I can use it.A.be repaired B.repairing C.to repair D.repair I can't help__(do)the repair work as I am busy now. 请帮忙把复合句改简单句：Please tell me where we show our tickets.2 .Can you tell me how I can getto the post office?3.Rose doesn't know when they are going to repair the watch. Can you tell me _______ deal with the problems?1.Can you tell me _______ deal with the problems?A.how to B.how can I C.what to D.what can I 请问为什么选A而不是选B呢?2.Something is wrong with my car．I have to get it_________．A．repair 把下列句子变成被动语态:I can’t repair the broken kite. I don't know how I could repair the bike.此句I don't know后跟的是什么从句? how can I change the world? how can I get to the hospital How can i get to the zoo? how can i change the world? how can I get to the hospital? how,i,get,the,can,hospital,to to,I,park,get,how,the,can how can I get to the hospital? How can I get to the museum?