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
推荐题目
As there was no spare bedroom, Susan had to ______ her friend for a night in the sitting-room.
#81380
A
build up
B
fix up
C
take up
D
pick up
In order to meet the demands they had to________production.
#69778
A
fasten up
B
rise up
C
speed up
D
go up
It is quite common for a working man to make ______ for his old age by putting aside enough money to live on.
#83628
A
adjustment
B
supply
C
assurance
D
provision
At the party, you oughtn’t to_____the joke. Didn’t you see the hostess was a bit______?
#83513
A
have told;embarrassed
B
have told;embarrassing
C
tell; embarrassed
D
be telling;embarrassing