—Shall we go to the lecture about the risk of brain cancer from mobile phone use?—________?It is closely related to our health.
#800
A
What if
B
Why not
C
What for
D
How come
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?