______, the concert began.
| A．The listeners having taken their seats | B．Having taken their seats |
| C．Having taken their places | D．Taking their seats |
They were about to leaveit began to rain.
| A．before | B．durning | C．while | D．when |
Mr.Smith,of thespeed,started to read a novel.
| A．tired, boring | B．tiring, bored |
| C．tired, bored | D．tiring,boring |
It`s already 10 o`clock. I wonder how it that she was two hours late on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
I findimportant to have some communicative skills.
| A．it | B．me | C．them | D．you |
I was in trouble,he would come to help me out.
| A．Next time | B．The first time |
| C．All the time | D．Every time |