---Where is Peter?
--- He ___________ dinner for his parents at home.
A.cooks B. cooked
C. has cooked D. is cooking
________you don’t give up, your dreams will one day come true.
A. If B. Because
C. Unless D. Though
Look at the heavy rain! Nobody knows when the plane will _____ and when it will land.
A. get off B. take off
C. turn off D. put off
Yutu, China’s first moon rover(月球车), ________ at the center of attention since it flew to space last December.
A. was B. would be
C. has been D. had been
---What’s the world’s ______ national park？
--- It’s Yellowstone National Park in the US.
A. old B. older
C. oldest D. the oldest
Grapes are my favorite fruit, nothing else can ________ with them.
A. deal B. fight
C. play D. compare
