giúp em
----- Nội dung dịch tự động từ ảnh -----
33-36. Rewrite the following sentences without changing their meanings. (2 pts)
33. It isn't necessary for you to learn all these lessons by heart.
You don't
34. Mr. Green began teaching English 20 years ago, and he's still a teacher.
Mr. Green has
35. "Where's the zoo?" asked the children.
The children wanted
36. You forgot to lock the front door last night, didn't you?
You didn't