Peter was so excited _____he received an invitation from his friend to visit Wuxi.
If he __________harder, he will catch up with us soon.
You __________write the poem down.Our teacher will give us a copy.
This year our school is__________than it was last year.
She had to stop__________her test paper because it was time to hand it in.
Paul’s parents were worried that he__________too much time on computer games.