Scientists say it may be five or six years _____ it ispossible to test this medicine on human patients.

How do you like the two pairs of trousers— They don’t fit me well. They are ______ too long ______ too short.

opinion, this kind of dress _________professional women like you and me.

________ his help, I finally caught up with my classmates

________ Tom and his mother often watch tennis matches on TV—-Yes, they _________.