----How amazing, Sara! You are used to going to bed early and getting up early these days.
----_______ And I hope you can lead such a healthy life, too.
A．So do I B．So I do C．So I am D．Thanks a lot
----Can you tell me ______ live a low-carbon(低碳) life ?
----OK. By using both sides of the paper.
A．where’s B．why to C．when to D．how to
I really enjoyed your speech, ______ there were some parts I didn’t quite understand.
A．because B．unless C．though D．after
My grandfather loves keeping pets．He said a pet could help a person feel______.
A．more nervous B．less alone C．less lonely D．more worried
----Where is Tom?
----He’s left a(n) _____ saying that he has something important to do.
A．excuse B．sentence C．news D．message
The problem is too difficult for him. He _______ solve it by himself without any help.
A．can't B．mustn't C．shouldn't D．needn't
