center   
#2729
A
ocean
B
decide
C
cause
D
socialist
推荐题目
—What fruit is in season now? —Pears and apples, ______.
#4276
A
I know
B
I think
C
I see
D
I feel
---I don’t think I’ll be able to go mountain-climbing tomorrow. ---_________?
#625
A
And how
B
How about it
C
How’s it going
D
How come
The sign_____is often found in a reading-room or a library.
#23004
A
NO PHOTOS
B
KEEP QUIET
C
THIS SIDE UP
D
OPEN
—What does your brother look like?—____
#21537
A
Yes, he is tall.
B
He is 20 years old.
C
No, he isn’t.
D
He is tall.