Must I stay here?
No, you______. You may go home.( )
mustn't
have to
needn't
shouldn't
What nice day! Let's go for a picnic.( )
a
an
the
/
Wow! The school uniforms can tell parents_______!
Cool! So the children won't get lost easily.( )
where are their children
where their children are
what do their children study
what their children study
Nobody can hear you______ you speak in a louder voice.( )
unless
if
when
after
Boys and girls, you should look after________when your parents are not at home.( )
himself
herself
yourselves
themselves
Another bridge over the Jialing River__________last year.( )
builds
built
is built
was built