---What time does the library open?--- ______ eight o’clock.
#47993
A
In
B
On
C
At
D
To
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President Xi Jinping arrived London March 22nd to pay a three—day visit to England.
#46787
A
at; on
B
in; on
C
at; in
D
in; in
--- It is selfless _____ the doctor to devote all the time he had for the patients.--- I think so, they are so great.
#45884
A
for; to care
B
of; to care
C
for; to caring
D
of; to caring