I ______ have worried before I came to the new school, for my classmates here are very friendly to me.
| A．mightn’t | B．mustn’t |
| C．needn’t | D．couldn’t |
The new stadium being built for the next Asian Games will be ________ the present one.
| A．three times bigger as | B．three times as big as |
| C．as big as three times | D．as big three times as |
Martin’s been ill, but ________, I think he’s hoping to come with us tomorrow.
| A．anytime | B．anyhow | C．anymore | D．anyplace |
That tree, __________ are almost bare, is a very old one.
| A．whose branches | B．the branches of which |
| C．of which the branches | D．All of the above |
The reason ____ she was absent is _____ he was badly ill yesterday.
| A．why; that | B．why; because |
| C．for which; because | D．that; because |
It suddenly _____ to the detective that the professor was probably murdered by his own wife .
| A．occurred | B．came about | C．took place | D．Happened |