This is ________ apple. It’s ________ green apple. A. a, an B. an, a C. an, an
–______will you stay here for the meeting?– For two days.A. How long B. How often C. How much
–Which of these two books will you take?–I’ll take _________. I need them to kill time on my journey.A. either B. both C. all
You’d better eat more because they’re good for your health.A. vegetables B. fish C. potato chips
Find out the different sound of the underlined letters. A. fat B. back C. name
— What did she ask just now?— She asked ______.