I called you several times, but no one ________.
A.guessed B.brought C.answered D.polluted
I have to ________ for the speech contest next week, so I can't go out with you for a picnic.
A.cancel B.prepare C.agree D.reply
If you want to make a difference to the world, you have to ________ yourself first.
A.enjoy B.check C.help D.change
Traveling around big cities by taxi can________ a lot of money, but it's usually convenient to take the underground.
A.take B.cost C.pay D.spend
After discussing two hours, we ________ to solve this problem in another way.
A.appeared B.happened C.touched D.decided
I'm sorry that I can't drive you to the airport. I ________ my car to my friend just now.
A.came B.went C.lent D.Borrowed
