Some students have trouble _______grammar while others have difficulty      —___ new words.
#69384
A
in; remember
B
for; to remember
C
on; remembering
D
with; remembering
推荐题目
The computer system _____ suddenly while he was playing computer games.
#68489
A
broke down
B
broke out
C
broke up
D
broke in
 Any student _____ will be disqualified from the exam. 
#81935
A
catching cheating
B
catching to cheat
C
caught cheating
D
caught to cheat
It’s hot here. Why not ________your coat?
#66301
A
put on
B
dress up
C
try on
D
take off