A、 and
B、 but
C、 or
D、 however
答案:B
A、 and
B、 but
C、 or
D、 however
答案:B
A. I've got a bad toothache.
B. Sit down, please.
C. That's a chance for you.
D. Oh, thank you.
A. have explained
B. has explained
C. explained
D. explain
A. loves
B. love
C. loved
D. loving
A. I’m really sorry.
B. I broke the cup.
C. That’s all right.
D. I have a headache.
A. swimming
B. to swim
C. swam
D. swim
A. had been
B. was
C. have been
D. am
A. ①③④
B. ①④⑥
C. ④⑤⑥
D. ②③⑤