The doctor was busy writing an essay in ________ with his recent research.
| A．touch | B．connection |
| C．devotion | D．comparison |
I really don’t know _______ I put my wallet.
| A．where was it | B．it was where that |
| C．where it was that | D．where was it that |
There is no _______ to think more about the matter. Take it easy.
| A．point | B．doubt | C．worry | D．need |
. The young man，who by then _______ admission to university，decided to do some part-time jobs to gain more practical experience．
| A．gained | B．was gaining | C．has gained | D．had gained |
—Jack took the 8:30 bus to Guangzhou this morning.
—Really? He ______ 8:20 Express. It is mu
ch more comfortable and faster to travel by train.
| A．could have taken | B．would have taken | C．need have taken | D．must have taken |
—Tom, you get dead drunk again!
—_______? It’s none of your business.
| A．So what | B．How come | C．Why not | D．What for |