（2014四川南允）21.—What’s that in English?
—It’s________ eraser.
A. a B. an C. the D. x
22. B
【2014山东东营】16. “If you stop dropping litter, I’ll kiss pig.” the head teacher promised the students at a school meeting.
A. a B. an C. the D. /
16. A
【2014 浙江绍兴】16. My brother Fred woke up with ______ bad headache, yet by the evening the pain had gone.
A. a B. an C. the D. 不填
16. A。
