Bob and David are friends. __________ of them work in the art club as volunteers.
A. All B. Both C. Each D. Every
Which of the following is the official mascot(吉祥物) of the 2014 FIFA World Cup?
Jenny, I can’t go hiking with you __________ I have to help my mum with housework.
A. so B. but C. because D. unless
—___________ did you buy your e-dictionary, Frank?
—Two days ago.
A. Why B. When C. How D. Where
—Thank you for the nice birthday present.
—_____________.
A. It’s $ 10 B. You’re welcome
C. Thanks a lot D. No problem
Aunt Sally has ________ children, two boys and two girls.
A. fourth B. forty C. fourteen D. four
