-Tom has a lot of parties recently.- Yes, that may ________ why he didn’t do well in the test.
#65745
A
sum up
B
add up to
C
account for
D
make sense of
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The hospital ________ well, where many wounded _________ every day.
#79040
A
is operated, operation
B
operates, are operated on
C
operates; are operated
D
operates; operates on
--Would you mind if I used your mobile phone?-- _______, please. 
#64329
A
Yes
B
Go ahead
C
Of course
D
All right