Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?
#24999
A
off; back
B
up; off
C
out; up
D
back; off
推荐题目
_____ three influenza type A virus subtypes(子类型) have been found in pigs.
#25069
A
By far
B
As far as
C
So far
D
Till far
Just as a book is often judged ______ by the quality and appearance of its cover, a person is judged immediately by his appearance.
#22544
A
outwardly
B
initially
C
uniquely
D
previously
33. The employees have not been paid _______ since the new manager took over this company last month.
#24682
A
regularly
B
commonly
C
completely
D
Ordinarily