—You know. Bob is a little slow ____ understanding, so…— So I have to be patient ______ him. 
#4915
A
in ; with
B
on; with
C
in; to
D
at; for
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Jenny nearly missed the flight______ doing too much shopping. 
#5027
A
as a result of
B
on top of
C
in front of
D
in need of
—I’ll go camping this weekend.—          .     
#4519
A
Best wishes
B
No,I'm too busy
C
Don’t give up now
D
Have a good time
—______? —Yeah, it seemed a little confusing to me at first, but now I get it.
#5019
A
Can you give me a moment
B
See what I mean
C
Are you stuck
D
Can you go on