----____ I take the book out?
---- I’m afraid not.
| A．Will | B．Must | C．May | D．Need |
Some people fear that ________ air pollution may bring about changes in _______ weather around the world.
| A．/; the | B．the; / | C．an; the | D．the; a |
This area experienced. heaviest rainfall in month of May.
A. 不填; A. B. a; theC. the; theD. the; a
When his brother was to cross the street, he was knocked down by a truck and badly ____.
| A．injured | B．damaged | C．harmed | D．destroyed |
Recently, these companies have _____ some workers because of the drop in economy.
| A．hired | B．dismissed | C．refused | D．employed |
.---I’d like to go home now.
---Why not stay here for the night ?It is so late now.____ it is raining so hard.
| A．Besides | B．Therefore | C．Instead | D．As a result |