问题
They haven’t finished their work. Maybe they have some trouble ______ it. [ ]
A: on
B: at
C: in
D:with
B: at
C: in
D:with
正确答案是：
同类题型
What time did you get up this morning? – Mother at 6:30.
Nancy writes books ______ children ______ 14-15. [ ]
This is _____banana ,and that is _____apple.
Can you see your sister the window?–Yes, she is doing her homework in the room.[]
One of the men held the view_________ the reporter stated was not true.