We will have no water to drink _________ we don’t protect the earth.
A. untilB. ifC. unless
I got an e-mail this morning. It was ________ my pen pal, Tony.
A. fromB. forC. to
– Would you like some coffee?
– No, thanks. I ________ drink coffee. Coffee is bad for my stomach.
A. nearlyB. usuallyC. hardly
– What do you want to be when you grow up?
– ________ engineer like my father.
A. AnB. AC. The
– When will you be free, Mr Smith? I want to visit you.
– Er, on Saturday or Sunday. ________ day is OK.
A. All B. EitherC. Both
Look! The kites in the sky are in different ________. Some are big and others are small.
A. sizesB. colorsC. pictures
