语法词汇练习 语法大全 语法详解 英语听力 
As nobody here knows what is wrong with the machine, we          send for an engineer to handle the problem．
#63675
A
should
B
must
C
can
D
would
下一题
推荐题目
–When can I get the result of the test, sir?–You ____ have it next Friday.
#62980
A
could
B
shall
C
must
D
may
The door _____ open, no matter how hard she pushes.
#62530
A
doesn’t
B
can’t
C
won’t
D
shouldn’t
You _______ see a dentist when you have a toothache. 
#78314
A
may
B
need
C
should
D
can
If you ______go，at least wait until the rain stops．
#75414
A
can
B
may
C
must
D
will
—Mike’s parents have bought a 2-floor house with a swimming pool.— Oh, it________ be very expensive.
#76640
A
must
B
can
C
need
D
should