Once ________ more attention, the little trees could have grown better.

Excuse me, may I ask you some questions— Sorry, I ’ m too busy and haven ’ t even a minuteto ______.

What do you think of the twin sisters—They are quite different. One is outgoing, __________ is very serious.

Tomorrow ___ my birthday, I’d like you and Jane to come– I’m not sure if she ____ free

You should try to get a good night’s sleep ______ much work you have to do.[ ]