A.I am sorry
B.I beg your pardon
C.Excuse me
D.Hello, how do you do
A. had enjoyed
B. was enjoying
C. enjoyed
D. had been enjoying
A.I was a student ten years ago
B.We didn’t teachers in 1990
C.He studied not English yesterday
D.He didn’t studied English last week
I suddenly ______ that it was past ten o'clock.
A.realized
B.recognized
C.understand
D.knew
Guest: Oh, it's ten o'clock. I'd better go now. Host:______
A.Ok. Please walk slowly.
B.Why do you want to go now? Don't you want to stay?
C.Won't you stay for another cup of coffee?
D.Yeah, it's really late. Why not immediately?
This is the same story______I heard ten years ago.
A.that
B.which
C.about that
D.of what
A.simple sentence
B.compound sentence
C.complex sentence
D.compound-complex sentence