If the weather had been better, we could have had a picnic. But it ____ all day.
A. rained B. rains C. has rained D. is raining
-_____ you read the story?
-Yes. I _____ it at school.
A. Have; read B. Did; read
C. Have; have read D. Did; have read
There is only one more day to go ____ your favorite music group play live.
A. since B. until C. when D. before
-Must I turn off the gas after cooking?
- Of course. You can never be ______ careful with that.
A. enough B. too C. so D. very
Mr. Green stood up in defence of the 16-year-old boy, saying that he was not the one ______ .
A. blamed B. blaming C. to blame D. to be blamed
Of the two sisters, Betty is _____ one, and she is also the one who loves to be quiet.
A. a younger B. a youngest C. the younger D. the youngest
