I'm on a train.
A: sitting
B: siting
C: sit
D: sits
A: sitting
B: siting
C: sit
D: sits
举一反三
- She is ____ in the office now. A: sit B: siting C: sitting D: sat
- The boy ____________under that tree is my brother. A: sitting B: sits C: is sitting D: sit
- I've never seen the young man__________ next to the doctor. A: sits B: sitting C: sat D: to sit
- I want to ____ an evening train to Beijing. A: taking B: sit C: sitting D: take
- Please avoid_______in the sun without any covers A: sitting B: sit C: siting D: sat