A、 explain
B、 explains
C、 toexplain
D、 explaining
答案:A
A、 explain
B、 explains
C、 toexplain
D、 explaining
答案:A
A. the best
B. better
C. the better
D. much better
A. enters
B. has entered
C. was entering
D. entered
A. my
B. our
C. ours
D. us
A. receives
B. produces
C. sends
D. earns
A. Not at all
B. No, thanks. I’m full
C. You are welcome
D. OK, here you are
A. honour
B. search
C. memory
D. favor
A. give up
B. giving up
C. to give up
D. having given up
A. need
B. time
C. aim
D. peace