I

1. D isn't it ( everything trong câu hỏi đuôi dùng từ "it", vế trước khẳng định nên vế sau "phủ định" )

2. A go ( let SO + Vinf )

3. C about ( excited about: thích thú )

II

1. in -> of 

2. wash -> washing ( need + Ving: mang nghĩa bị động )

3. we -> us ( cần túc từ )

1) Everything is all right,_____?
A. isn't everything           B. is everything           C. is it             D. isn't it
2) Please let Tim _____ you 
A. go        B. going          C. to go              D. goes
3) The children are excited _____ going to the circus
A. on        B. for       C. about          D. with
Tìm lỗi sai
1)  I heard that you got an IELTS score in 8.0? (of)
2) My car is very dirty. It needs watch ( wash)
3) He prevented we from parking our car here. ( us)