The doctor must be _______ 24 hours a day, 7 days a week in the boarding school.
#25574
A
on call
B
by hand
C
in sight
D
on spot
推荐题目
Chinese men _________ weigh 1.6kg heavier than 10 years ago, and women 1.8kg heavier, according to a survey published by the Chinese Nutrition Communication Conference.
#25735
A
on condition that
B
on average
C
in place
D
on behalf
According to the embarrassing situation here, I’m afraid that your arrival at present is not quiet ________.
#25572
A
in practice
B
in demand
C
in place
D
in turn
He wants to see changes in the company and I am sure he will, ______.
#26915
A
on time
B
at a time
C
at one time
D
in time
Everything was perfect for the picnic the weather．
#26463
A
in place of
B
as well as
C
except for
D
in case of