—How did you like the concert last night ?—I enjoyed it very much, but the dancers _____ a better job．
#63517
A
could have done
B
must have done
C
could do
D
had done
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I can’t leave. She told me that I _______ stay here until she comes back.
#62938
A
can
B
must
C
will
D
may
If people eat natural poisons by mistake, they ________ go to hospital without delay.
#63685
A
would
B
can
C
may
D
must