The book is (有用的). We all like it.
The (地理) class is interesting. I like it .
On Monday , we have English first , (然后) we have math.
I often watch TV for an (小时) in the evening .
We have an English (课) on Monday .
We have dinner 6:00 the afternoon.
A. at ; on B. at ; in
C. to ; in D. for ; in
