How careless you are! You_______ more careful next time.
Mrs Gao often says,“I________one million smiles in my heart________one billion dollars in my pocket.”
Most children________ice cream________fruit.
To make the air clean,Beijing will close some companies________cause heavy pollution.A.thatB.whoC.what
This is the school________we visited last year.
I want to go to some places________it’s cool in summer.