During the past two and a half years, researchers have detected eight planets _____ sunlike stars.
A: touring
B: ounding
C: orbiting
D: navigating
A: touring
B: ounding
C: orbiting
D: navigating
举一反三
- It's half past eight now. 对half past eight 进行划线部分提问:_________、_________、_________、_________?
- We’ll leave our school in________. A: two year and a half B: two years and a half C: two and half a years D: two and half a year
- — When will you be here?— I wil arrive on ___________ , the second.My flight arrives at ____________ . A: Monday, half past seven B: Tuesday, half past eight C: Wednesday, half past nine D: Thursday, half past ten
- Prices have risen steadily during the past decade. A: century B: ten years C: dozen D: twenty
- The past two years have seen a ________ of TV channels. A: integration B: distribution C: declination D: proliferation