There _______ be a lake lying at the foot of the mountain before the earthquake.
A. was to
B. had to
C. was used to
D. used to
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Recently there was a drunk driver ________ five people including a pregnant woman in Nanjing City.
A. killed
B. to kill
C. killing
D. was killing
Don't worry. I'll have the air-conditioner _________.
A. fix
B. to fix
C. fixing
D. fixed
All of us should learn how to ______with difficult situations and people.
A. do
B. care
C. settle
D. deal
In fact, we cannot be held ___________.
A. responsible
B. responsibly
C. responsibility
D. responding
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