Nowadays many women are _____ their late twenties or early thirties when they have their first child. 
#64330
A
of
B
in
C
on
D
over
推荐题目
Farmers here _________keeping the soil rich and _________diseases.
#72393
A
focus on…free of
B
center … free from
C
attend on… free of
D
depend on… free from
If you keep on working hard, you are sure to      in your career.
#68541
A
go away
B
get off
C
go ahead
D
get ahead
He minds so much about his position in the office that he ____ any chance to be promoted.
#65157
A
watches out for
B
looks up
C
points out
D
watches out