Do you have difficulty ____ English?
#54275
A
to learn
B
of learning
C
learning
D
learn
推荐题目
Why don’t you _____ us to _____ the speech contest?
#61790
A
join, join
B
take part in, take part in
C
take part in, join
D
join, take part in
The TV show__________“The Undersea World” let many people see __________ under the sea. 
#55967
A
was called; what was life like
B
called; how life was like
C
was called; that life was like
D
called; what life was like