---Miss Hu, I have trouble __________ grammar and __________ the text. 
#55875
A
with; to understand
B
on; in understanding
C
with; understanding
D
on; to understand
推荐题目
—John isn’t happy today. Let’s go and ________. —Good idea. 
#54440
A
cheer up him
B
cheer him up
C
to cheer up him
D
cheering up
Please ____ me ____ Tang@.189.com.
#57789
A
e-mail;at
B
call;of
C
ask;to
D
say;for
—What ______ you?  —I’m _______ of  being left alone in the house.
#56460
A
terrify, terrified
B
terrified, terrifying
C
terrifies, terrified
D
terrifies, terrifying