This machine is very easy ______. Anyone can learn to use it in a few minutes.
#92224
A
operating
B
to be operating
C
operated
D
to operate
推荐题目
The poor young man is ready to accept ________ help he can get. 
#95100
A
whichever
B
however
C
whatever
D
whenever
I feel it is your husband who ______ for the spoiled child.
#93076
A
is to be blamed
B
is going to blame
C
is to blame
D
should blame
It ________ some time _________ I realized the truth.
#92551
A
was; before
B
is; before
C
has been; until
D
has been; after
It was some time _______ I realized the truth.
#92435
A
that
B
when
C
before
D
since