It is every citizen’s duty to go out to______ the snow on the street______ it stops falling so as to make itconvenient for traffic to pass. .

On hearing thenews that they had won the match, the students shouted in___________ voices.

Which girl is your sister —- The girl ___________is wearing darkglasses.

What _______exciting news! We are all very excited about it.

Eric nearly always wins the science award.That’s because his projects are ___.