It is strongly recommended that the machine_____________ every year.
#86995
A
are checked
B
should check
C
checked
D
be checked
推荐题目
I forget where I read the article, or I _____ it to you now.
#89614
A
will show
B
would show
C
am going to show
D
am showing
—Why didn’t Susan come to school? —I don’t know. She____ ill.
#87988
A
could be
B
may have been
C
might
D
must have been
He ________ fatter but he eats too little.
#86630
A
would become
B
would have become
C
must become
D
must have become
Why didn't you tell me there was no meeting today? I all the way here through the heavy snow.
#89417
A
needn't have driven
B
can't have driven
C
mustn't have driven
D
shouldn't have driven