The operation room in every hospital has to ______ bacteria of any kind.
#68453
A
keep free from
B
make it free from
C
be made free from
D
be kept free from
推荐题目
You’d better spend your time just on the things you find ______.
#68457
A
worth doing them
B
worth being done
C
worthy of doing them
D
worthy of being done
After he was promoted to the present position, he is not so hardworking as he ______.
#73133
A
was used to
B
used to be
C
was used to being
D
used to
There are so many books!It is not easy for us to decide what to take and what to .
#82971
A
take on
B
pick up
C
leave behind
D
work out
—I wonder why he has been acting so strangely these days．—Recent pressure at work may ____ his behavior．
#72972
A
account for
B
call for
C
change for
D
stand for
—Things are getting even worse now without Jackson.—It’s certain that he will ______ at the football field.
#65145
A
turn up
B
come out
C
put up
D
take up