—What do you think has caused his heart attack? —It is ______.
#1316
A
because of his overweight
B
due to his being overweight
C
his being overweight
D
he is so overweight
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 --- Mr. Wang is a man of few words, but quick in mind. --- _______, you know.
#1181
A
A single flower doesn’t make a spring
B
A great talker is a great liar
C
A light heart lives long
D
A still tongue makes a wise head
---Thanks for your help, but can you do me one more favor, please?---____ , sir. What’s it then? 
#2498
A
Just a minute
B
At your service
C
That’s right
D
It’s my pleasure
Mum: Tom? Tom:          ? Here I am.
#2350
A
What
B
OK
C
Yes?
D
All right