---Excuse me, is this seat taken? ---______. That man got his books and left a few minutes ago.
Our parents are always strict________ us,especially_______ our study.
She's got a lot on her mind. She had no choice but_______ her husband.
What method can you think of _________ with these broken computers?
Scientists are trying their best to_______ ways to treat the terrible disease caused by Ebola(埃博拉).
Now it’s time to have a rest. You’d better _______.