问题补充:
— My computer has gone wrong. It needs soon.
— Why not have David it? Nobody can if he can’t.
A. to fix; fix
B. to fixed; fixing
C. fixing; fix
D. fixing; fixed
答案:
A. to fix; fix
B. to fixed; fixing
(答案→)C. fixing; fix
D. fixing; fixed
解析:句意:我的电脑坏了,需要马上修理。为啥不让大卫修呢?如果他不能就没有人可以啦。Need to do 需要做,主语一般是人,表主动;need doing需要做,主语一般是物,表被动。Have sb do sth让某人做某事。所以选C。