I had a hard time _________ where the post office is. 
#59595
A
finding
B
found
C
finds
D
to find
推荐题目
There is some rubbish.. Please __________.
#52369
A
take it out
B
take out it
C
take them out
D
take out them
 I must get to school before 8 am.
#58184
A
leave
B
arrive at
C
reached
D
Finished