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
 Though I have often heard this song _______. I have never heard you _______ it.
#98432
A
being sung, sang
B
sang, singing
C
sung, sing
D
to be sung, to sing
_____ from media reports,the result has been unclear.
#98153
A
To judge
B
Having judged
C
Judging
D
Judged