-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
The manager believes prices will not rise by more than ____ four percent.
A. any other B. the other C. another D. other
Is this school _____ you visited last year?
A. the one B. that C. which D. one
I would appreciate ____ if you could come and help me with my work.
A. that B. it C. this D. one
