It was in the lab ________was taken charge of by Johnson ________they did the experiment.
| A．where；which | B．which；that | C．which；which | D．that；which |
Tom is very pleased with the newly-built house which is almost ___ the one he used to live in.
| A．the twice size of | B．as twice big as | C．bigger twice than | D．twice the size of |
The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.
| A．that | B．it | C．this | D．him |
I admired my classmate Lisa very much.___ her prettiness, she was smart and helpful.
| A．Except | B．But for | C．Apart from | D．In spite of |
_____ we can see, we can’t get very far in this project without her help.
| A．As long as | B．So long as | C．So far | D．As far as |
Try ____ she might, Sue couldn’t get the door open.
| A．if | B．when | C．since |
D．as |