Tom has much difficulty _____Chinese so he often asks me ______help.
#51113
A
understanding; for
B
understanding; of
C
to understand; for
D
to understand; for
推荐题目
It’s thoughtful ________you to prepare the film________ for our show. 
#48177
A
for, in the 1960s
B
of, in the 1960
C
for, in 1960s
D
of, in the 1960s
From the tower, you can see _______ of London _______ a nice day. 
#46225
A
many; in
B
most; in
C
most; on
D
many; on