问题
____ do you have a computer class? —Twice a week. [ ]
A: How long
B: How
C: When
D: How often
B: How
C: When
D: How often
正确答案是：
同类题型
The workers are repairing the windows_______glasses were broken by strong wind last night. [ ]
Which part is meant for me? –You can take _______ half. They’re exactly the same.
―It’s nice day ， isn’t it?―Yes，what fine weather！
It’s time to say goodbye to my school. I’ll always remember the people ____have helped me.