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
---Look at these tracks. It _____ be a wolf.” ---Don’t be so sure. I think it _____ be a fox.
#87712
A
must; could
B
may; might
C
need; must
D
could; need
—I really don't know what I ________yesterday without the bike you lent me.—Glad to have been some help to you.
#87274
A
could do
B
should have done
C
had done
D
could have done
I am badly off. If I ______ money, I ______ a large house.
#87784
A
have; would have
B
had; will buy
C
had; would buy
D
would have; would buy
---Will you stay for the dinner?---Sorry,__________. The cookers I bought online will be sent to my house this afternoon.
#87120
A
I can’t
B
I mustn’t
C
I needn’t
D
I shouldn’t