After supper she would sit down by the fire, sometimes _____ an hour, thinking of her young and happy days.
| A．as soon as | B．as much as | C．as many as | D．as long as |
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 |
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 |
Many people claim that they have seen UFO with their own eyes, _____ I personally doubt.
| A．that | B．which | C．when | D．where |
—You _____ a meal this evening. I had dinner at a restaurant with Tom.
—Well, why didn’t you phone me and let me know?
| A．should not cook | B．don’t need to cook |
| C．needn’t have cooked | D．should have cooked |