We must do what we can to ____________the river ______________.
#68880
A
protect; against polluting
B
stop; polluting
C
keep; being polluted
D
prevent; from being polluted
推荐题目
Whenever we were ___, he is always ready to ___ us some help.
#83698
A
in the trouble; give
B
in trouble; offer
C
in a trouble; pay
D
in trouble,take
He has been acting strangely these days. I can’t________ his actions at all.
#72244
A
account for
B
ask for
C
call for
D
stand for
After he retired from office, Rogers ______ painting for a while, but soon lost interest.
#69723
A
took up
B
saved up
C
kept up
D
drew up
—Why is he feeling down today?—Because the suggestion he________has been turned down.
#68596
A
put away
B
put up
C
put down
D
put forward