1. descends( Correct: has descended)
2. are jammed( Correct: were jammed)
3. help dealing (Correct: help deal)
4. finish buy (Correct: finish buying)
5. was tried( Correct: was trying)
6. won't feel (correct: wouldn't feel)
7. through( Correct: thought)
8. cancelling (Correct: canceled)
9. recommend( Correct: recommends)
P/s: Lớp 8 mà khó thế :<