Some students have trouble _____grammar while others have difficulty______ new words.
#96653
A
in; remember
B
for; to remember
C
on; remembering
D
with; remembering
推荐题目
Do you know the difficulty he had _______the work?
#97283
A
on finishing
B
to finish
C
finishing
D
finished
______ , the players began the game. 
#95708
A
Having taken our seats
B
Taking our seats
C
Being taken the seats
D
After we had taken our seats