问题
It’s very difficult to see ____ the window because the glass is very dirty.[ ]
A: through
B: across
C: over
D:at
B: across
C: over
D:at
正确答案是：
同类题型
I’ll spend some time my study.[ ]
Is the Great Wall a wonderful place?—Yes, tourists come here for a visit every year.
Who taught ______ math last year?
Can you see there is _______ interesting book on the table?— Yes. I like _______ stories in it.
Why does Cindy like the music?-She likes the music because she can sing along________.[ ]