We’ll have a picnic in the park this Sunday ________ it rains or it’s very cold.
| A．since | B．if | C．unless | D．until |
My uncle hasn’t been able to quit smoking, but at least he has .
| A．cut out | B．cut off |
| C．cut down | D．cut up |
—Can I pay the bill by check?
—Sorry, sir. But it is the management rules of our hotel that payment be made in cash.
| A．shall | B．should | C．can | D．will |
With a large amount of work, the chief manager couldn’t spare time for a holiday.
| A．remained to be done | B．remained being done |
| C．remaining to be done | D．remaining to do |
______ from the space, the earth, with water _______ seventy percent of its surface, looks like a blue ball.
| A．Seen; covered | B．Seen; covering |
| C．Seeing; covering | D．Seeing; covered |
What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who .
| A．was blamed | B．was to be blamed |
| C．would be blamed | D．was to blame |