(2013·重庆高考)—What are you doing this Saturday?—I'm not sure, but I ________ go to  the Rolling Stones concert.
#62394
A
must
B
would
C
should
D
might
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---I was trying to carry out the plan, but I failed.---Well, you _____, for we were uncertain it would do ____.
#63211
A
needn’t do that, in fact
B
needn’t have done, in effect
C
needn’t have, in practice
D
needn’t, in time
The doctor said he _______ an operation yet.
#75873
A
need
B
needn’t
C
needed not
D
didn’t need
The school rules state that no child _____ out of the school, unless accompanied by an adult. 
#63402
A
shall allow
B
shall be allowed
C
will allow
D
will be allowed