A、 or
B、 also
C、 but also
D、 as well as
答案:D
A、 or
B、 also
C、 but also
D、 as well as
答案:D
A. must
B. have to
C. should
D. ought to
A. don't go
B. haven't gone
C. am not going
D. didn't go
解析:解析:used to do 过去常常做某事
A. will be
B. would be
C. will have been
D. would have been
A. sight
B. view
C. look
D. form
A. have
B. had to
C. do so
D. must
A. Sure, certainly not
B. All right
C. I don't know
D. Not at all
A. It happened me that I found
B. It happened me that I met
C. I happened to find
D. I happened to meet
解析:解析:happen to do sth. 碰巧做某事
A. front
B. advance
C. ahead
D. forward
解析:解析:front 具体位置空间的前方解析:in advance 提前Ahead 在……之前,不和in 连用解析:forward 向前
A. When they were doing
B. After they have done
C. Having done
D. They had done