He ________ get into his own house because he has lost his keys.
#88359
A
mustn’t
B
doesn’t have to
C
can’t
D
needn’t
推荐题目
—Did you pass the driving test?—No.I ________ it，but I had little time practising.
#86355
A
could have passed
B
must have passed
C
can't have passed
D
shouldn't have passed
—Is the letter from your mother?—Yes. But she ________ the letter herself, because she doesn't even know one word.
#86535
A
needn't have written
B
can't have written
C
might not have written
D
should not have written
It's high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer.
#87208
A
work
B
will work
C
worked
D
have to work
Mr．White to hospital for an examination yesterday but he was too busy to come．
#87852
A
should come
B
should have come
C
should be coming
D
should had come
The government requested that all the people ___________ in any indoor public area.
#87266
A
not to smoking
B
not smoke
C
not smoking
D
to not smoke