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
Look at the trouble I am in. If only I _____ your advice.
#87134
A
followed 
B
would follow
C
had followed 
D
should follow
 ---Be careful! Your clothes will catch fire.  ---Thank you._______ so close to the fire.
#87970
A
I didn’t know I was
B
I don’t know I am
C
I hadn’t known I was
D
I don’t know I was
The little child _______ go home alone at night.
#89814
A
wasn’t dare
B
dared not
C
dared not to
D
don’t dare