______ he works hard，I don't mind when he finishes the experiment.
| A．As long as | B．As well as |
| C．So far as | D．As soon as |
It was ___ he said ___ disappointed me.
| A．what; that | B．that; what | C．that; when | D．it; when |
It was ___she was about to go out ___the telephone rang.
| A．when ; that | B．so; that | C．before; then | D．when; before |
---Who is making so much noise in the garden? --- ___ the children.
| A．It is | B．They are | C．That is | D．There are |
Were all three people in the car injured in the accident? No,___ only the two passengers who got hurt.
| A．it was | B．there is | C．it were | D．there was |
One day， _____，Newton saw an apple fall from a tree.
| A．to sum up | B．what’s more | C．it is said | D．in addition |