A、 Yes, I'm studying history
B、 Yes, I'm studying history
C、 I'm studying philosophy
D、 I'm doing my homework
答案:C
A、 Yes, I'm studying history
B、 Yes, I'm studying history
C、 I'm studying philosophy
D、 I'm doing my homework
答案:C
A. No, thanks.
B. Yes, I do.
C. Yes, I’d rather not.
D. Good idea.
A. who
B. which
C. whom
D. whose
A. up
B. to
C. out
D. over
A. No, you needn't
B. Oh, good! Thank you
C. Happy New Year to you
D. I like the work
A. I beg your pardon?
B. What do you mean?
C. You’re welcome.
D. Um,let me think.
A. owns
B. gives
C. owes
D. regards
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
A. Please don't worry.
B. I don't think so.
C. Why not?
D. It's very nice.
A. already
B. yet
C. still
D. ever