—Our son has picked up some bad habits recently, and I am really worried about it.— .A

Our son doesn’t know what to__________ at the university；he can’t make up his mind about h

While______ in London, the young engineer picked up some English.A．stayingB．stayC．stayedD．

Some people would like to do shopping on Sundays since they expect to pick up wonderful ar

I went to _____ bed to pick up some papers on it.A、theB、aC、 ／D、an

We all pay______our mistakes in some way at some time.A．offB．forC．backD．up

Some people would like to go shopping on Sundays since they expectto pick up wonderf