My brother always ____ his lesson, so he is a top student.
#54113
A
works hard at
B
work hardly at
C
work hard at
D
works hardly at
推荐题目
When the teacher walked into the classroom, the students ____ at once.
#61462
A
stopped to talk
B
stopped talking
C
stop to talk
D
stop to talking
We are supposed ______ the lost child at once.
#61925
A
find
B
to finding
C
finding
D
to find