— Did Mike call ______you yesterday?— No, but this morning he called _______my office.
#27442
A
at; on
B
on; on
C
at; at
D
on; at
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___ the help of computers , there are no ___ problems.
#26921
A
Under; so
B
Under; many
C
With ;such
D
With ;some
_______ the school, he saw his parents ________ for him at the school gate.
#25584
A
At reaching; waited
B
On arriving; waiting
C
At arriving; waited
D
On reaching; waiting
China now aims to boost domestic demand, and this ______ would help the global economy.
#25856
A
in short
B
on duty
C
on average
D
in turn
He could see the tall chimneys of the factory ______.
#26914
A
from distance
B
in distance
C
in the distance
D
to a distance