We should study hard and make_______ country(国家) beautiful(美丽).A. we B. us C. our
---Shall we go shopping? ---Good idea! But the supermarket _______ now.
Do you think Maths ______ useful subject?
---______ Mary happy today? ---I don’t think so. She ______ look happy this morning.
______ is the first day of a week.
---Who’s that man ______a white shirt? ---He is Mr. Wu.