can see, Peter is very happy, so he___________ have passed the exam. After all, it’s not difficult at all.

―I want to borrow the detective novel written by Agatha Christie，but I don’t know how long it can ______.―For two weeks.

Is this _______ lion or _______ elephant

_______ in thought, he almost ran into the car in front of him[ ]

Can you tell me why you learn English so well–It’s very simple. you work, grades you will get.