A dog robot could help ____ the room.
A. cleaning B. getting C. clean D. get
—Where is Miss Wang?
—She went to Hainan Island last week and will return _________ six days.
A. ago B. later C. behind D. in
There will be ____ cars and ____ pollution twenty years later.
A. many, few B. little, few
C. less, more D. fewer, less
—What is a resolution？—It’s
A. a promise B. an action
C. a message D. a letter
My grandfather me a postcard from New York last week.
A. gave B. sent C. passed D. borrowed
— are you going to visit your uncle?— Next week.
A. Where B. Who C. Why D. When
