----–May I take this seat?----- ________. It is occupied.
#3551
A
Go ahead.
B
I am afraid not.
C
Yes, please.
D
Of course not.
推荐题目
—__________ do you swim?   —Twice a week. 
#24489
A
How long
B
How many times
C
What time
D
How often
—Hi,Tommy.Are you busy now?—________.I have done my work,and I’m going out for shopping.
#818
A
Don’t mention it
B
Nothing serious
C
Not really
D
Never mind
-- ____?                --Yes, it is.
#21813
A
Is Bob a boy?
B
Are you ten?
C
Is your pen blue?
D
Is she here?