I can think of many cases _______ students obviously knew a lot of English words and expressions but couldn’t write a good essay.
| A．why | B．which |
| C．as | D．where |
23. Where to get the materials and how to get them ________ at the meeting.
| A．have not discussed | B．have not been discussed |
| C．has not discussed | D．has not been discussed |
22. Hurry up, _______ you will miss the early bus.
| A．otherwise | B．if | C．and | D．but |
---Shall we meet at 6:00 or 7:00?
---________.
| A．Any time is OK | B．At any time |
| C．Yes, at 6:00 | D．Well, either time will do |
At last he _____ finish the work ahead of time.
| A．could | B．was able to |
| C．could be able to | D．can be able to |
My little son _____ out alone at night.
| A．dares not go | B．dares not to go |
| C．dare not to go | D．doesn’t dare to go |