Tsunami, a Japanese word, translated as “harbor wave”, is caused by ___ sudden rise or fall of part of the earth’s surface under or near ____ ocean.
A. a, the B.不填, the C, a, 不填 D. a, a
______ difficult the problem was, he tried his best to solve it.
| A．No matter | B．Although | C．Whatever | D．However |
It is the teacher _____taught me when I was a child _____ I’m going to visit.
| A．that, which | B．who, that | C．who, which | D．whom, that |
Nancy was very disappointed to hear the news. I wish I her about that.
| A．hadn’t told | B．didn’t tell | C．wouldn’t tell | D．can’t tell |
, I got better and returned to work.
| A．Accidently | B．Normally | C．Eventually | D．Particularly |
He was very busy yesterday；otherwise，he ______ to the meeting.
| A．would come | B．came | C．would have come | D．will come |