. China has hundreds of islands, _____ is Taiwan.
| A．the largest of which | B．of which largest |
| C．which the largest | D．in which the largest |
--How are your business goes wrong?
---But I have done all that is by law.
| A．required | B．judged | C．requested | D．desired |
---Mr. White didn’t come last night, did he?
---No. We for him. A whole night was wasted.
A. had waited B. have been waiting C. were waiting D, had been waiting
---There is something wrong with my watch, will you ?
---Let e see.
| A．see it to | B．see to look at it | C．see to it | D．watch to it |
Where on earth have you been? We you back much earlier.
| A．were expecting | B．are expecting | C．had expected | D．expect |
It’s quite normal to ten percent of the cost of a building for a period of six months or so, in case faults are found in it.
| A．keep up | B． keep away | C．keep off | D．keep back |