问题
The Math problem is too difficult , we really don’t know ________ to do it .
A:which
B:where
C:what
D:how
B:where
C:what
D:how
正确答案是：
同类题型
What way can you think of ______ the mice in the room?
. “You must find such long hours very tiring.” “______. I enjoyed it.”
Our school magazine comes out twelve times a year. —- Oh, that’s a _____ magazine.
Listen! Is Kitty in the next room? —- No, it ______ be Kitty. She has gone to Beijing.
You look so happy!— That’s because an old friend of is coming.