―Look at the lady there. ______ it be Mrs. Green?―No, it _______ be her. She left for London this morning.

—The milk tastes nice. I’d like ______ bottle of milk.—Sorry. There is none left. But you can buy one on ______ side of the street.

Zhang Ming has learned English for two years, but he can ______ understand native speakers.

 — ______is it from your home to the Summer Palace?— It takes about 20 minutes to go there by car.

He is getting ______ to hear the ____ words.