问题

Why don’t you wear your jogging shorts, mum?—Well, my legs are too skinny, if you ______ know.

A:must
B:can
C:may
D:need

正确答案是：

同类题型

The two brothers look so much alike that itis difficult to ______.

It was _____ that caused him to servedinner an hour later than usual.

Credit cards are ________ useful when travelling— True They save us the trouble of taking too much cash [ ]

The roads into London were so _____ traffic that even the fire engines couldn’t get through.

Only after Helen moved to Australia ______ howimportant she was to me