How ________ I help them to understand when they don’t listen?
#63202
A
must
B
dare
C
can
D
may
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It is impossible to please everyone. We can only do our best.
#77859
A
hear…of
B
make… happy
C
know… well
D
look… down
We _______ work very quickly.
#76098
A
don’t need
B
needn’t to
C
need not to
D
don’t need to
---Must I finish doing my homework now, Mum?    ---No, you ________.
#74479
A
can’t
B
may not
C
mustn’t
D
needn’t