This is ________ apple. It’s ________ green apple. A. a, an B. an, a C. an, an
I spent half an hour ___________ my homework.
My father gave up ________ at last.
I haven’t seen the movie and my brother hasn’t _______.
There is ______milk in the bottle. Let’s go to buy some.
If you don’t know how to pronounce new words, ____in a dictionary, please. A. look up it B. look it up C. look them up D look up them