It’s a bad habit to ______ what you can do today until tomorrow.
| A．write down | B．talk about |
| C．worry about | D．put off |
My friend Amy often takes walk with her dog in the park after dinner.
| A．不填 | B．a | C．an | D．the |
____ is bad for your health.
A. Stay up late B. Staying up late C. To stay up late
_____ is necessary for us _____ read good books.
A. It, to B. That, to C. It, \
-----You are going to visit the Great Wall,_____?
-----That’s right.
A. are you B. aren’t you C. don’t you
---- I am sorry I broke your pen. Let me buy you a new one.
-----_____. I have another one.
A. Never mindB . OK C. Thanks