You can never imagine what great difficulty I have ________ your house. 
#52338
A
found
B
to find
C
finding
D
find
推荐题目
Li Ming is in poor health. He should pay more attention _________ exercise. 
#57164
A
to take
B
to taking
C
for taking
D
in taking
She said that she would do _______ she could __________ her daughter laugh.
#54991
A
what, make
B
that, make
C
what, to make
D
that, to make
He speaks too quickly_________.
#58281
A
understand
B
write them down
C
to understand
D
and write