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
Our teacher asked us to write a letter to _______ ten years in the future.
A. yourselves B. us
C. ourselves D. you
In a government work report on March 5, Premier Li Keqiang “declared（宣布） war” ________ pollution.
A. against B. from C. for D. with
China has opened its _______Antarctic research base (南极科考站) – the Taishan Station.
A. four B. the four
C. fourth D. the fourth
