问题

It is only when we cannot see clearly _ we come to see __ important our eyes are

A:that; what
B:which; what
C:that; how
D:which; how

正确答案是：

同类题型

The scientist _____ Canada and he will give us a talk when he _____ back

My brother is ____ years old．Today is his _____ birthday．

The Great Wall is __________ tourist attraction thatmillions of people pour in every year

Little about her own safety, though she was in great danger herself.

______ entering the cafeteria, you’re immediately struck by a variety of seafood, colorful desserts, and their DIY ice cream