You _____ read a book in the sun—it'll do harm to your eyes．
| A．couldn't | B．wouldn't | C．needn't | D．mustn't |
This dictionary, few pages ___are missing, is of great importance.
| A．among which | B．of which | C．in which | D．to which |
---It is a pity that you have ___from the company. After all, it is a well-paid job.
---There is nothing serious. I don’t like the way they____ me .
| A．left; think | B．retired; regard | C．resigned; treat | D．desi gned; behave |
She is shorter than ____in her class.
| A．any girls | B．any girl | C．any other girl | D．any of the girls |
The level of the river ___ 20 centimeters over the security line and ____must be taken to control the flood.
| A．is measured; measures | B．measures; measurement |
| C．measures; measures | D．is measured; measurement |
Edison asked his father why the hens could hatch eggs ___he couldn’t.
| A．as | B．and | C．when | D．while |