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
_____ with the size of the whole earth, the biggest ocean does not seem big at all.
#96965
A
Compare
B
Comparing
C
Compared
D
To compare
____ through Africa, the infectious disease jumping from children to adults killed 1,000 people.
#91621
A
Swept
B
Having been swept
C
Having swept
D
Sweeping
They enjoyed _____ a wonderful evening at the Country Club．
#98395
A
spent
B
to spend
C
spending
D
spend
.From the classroom window we saw a huge snake _____ the yard.
#97380
A
crossing
B
cross
C
across
D
having crossed