Some of you may have finished unit one.________，you can go on with unit two.
| A．If you may |
| B．If you do |
| C．If not |
| D．If so |
The police chief advised his men to keep________ and not lose their tempers.
| A．calm | B．quiet | C．still | D．silent |
Generally speaking, ______according to the directions, the drug has no side effect.
| A．when taking | B．when taken | C．when to take | D．when to be taken |
Please _____all the numbers. Those numbers______10,000.
| A．add to , add up | B．add up, add up to |
| C．add up , add to | D．add up to, add to |
---Kevin, you look worried. Anything wrong ?
---Well, I _____ a test and I’m waiting for the result.
| A．will take | B．had taken | C．took | D．take |
There was _____ time when everything to do with ____nature could keep Anne spellbound.
| A．a, the | B．the, a | C．a, / | D．the , the |