Those girls practiced playing football every day and they won the match at last.( )
a
/
the
She often practices _____ on weekends.( )
sing
sings
singing
to sing
Although they feel tired,_____ they still go on working.( )
and
but
so
It isn't easy for us ______ English well.( )
learn
learns
learning
to learn
Who cleaned the room?
Li Lei _________.( )
is
was
dose
did
The man is feeling much better now,so you ______ call a doctor.( )
needn't
can't
mustn't
shouldn't