-How much shall I pay for the phone call?-You __________. This is free of charge.
#89479
A
shouldn’t
B
can’t
C
needn’t
D
mustn’t
推荐题目
--Where have you been? --I        in the heavy traffic. Otherwise I        here earlier.
#90528
A
got stuck; would have come
B
got stuck; was
C
have got stuck; would have come
D
had got stuck; would come
The captain urged that the mission ______ before dark.
#88032
A
must be finished
B
be finished
C
ought to be finished
D
was finished
If he         my advice, he wouldn't have lost his job.
#86856
A
followed
B
should follow
C
had followed
D
would follow
 — Dare you go swimming in the sea ?   — No , ____ . 
#89741
A
I dare not
B
don''t dare
C
don''t dare go
D
I am afraid