—Did Alan enjoy seeing his old friends yesterday?
—Yes, he did. He his old friends for a long time.
A.wouldn’t see | B.hadn’t seen | C.didn’t see | D.hasn’t seen |
The sunspot came into its active stage, __________ that happens once every eleven years.
A.one | B.it | C.the one | D.what |
It’s already 10’clock. I wonder how it ____ that she was two hours late on such a short trip.
A.came over | B.came out | C.came about | D.came up |
Many strange new means of transport have been developed in our century, the strangest of _____ being perhaps the hovercraft(气垫船).
A.which | B.them | C.that | D.it |
___ the temperature might drop, coal was prepared for warming.
A.To consider | B.Considered | C.Considering | D.To be considered |
We had a really bad time about six months ago but now things are ____.
A.looking up | B.coming up | C.making up | D.turning up |