Agoodideaof______withtheseoldmag?
A good idea of ______wh these old magazines came to her. A.what to do it B.how to do it C.how to do D.what to do
答案选d 因为what 跟 do with 连用,deal with跟how连用,所以根据这个我们可以排除b.c what to do with中what 做do的宾语,所以do后不能跟宾语,所以如果用do it with的话就不缺宾语也就不能用what 来提问了,所以排除a 所以答案选d