问题

_______ he met with the difficulty did he realize the importance of our help.

A:Even though
B:Never until
C:Only before
D:Ever since

正确答案是：

同类题型

______ is know to us all, China has its own English language newspaper.

Mr. Chen is handsome and kind and he is one of _________in our school.

Be careful not to drop it; it’s very ______.

Why not organize a school trip— _________.

I wonder how much ________.