Jack’s shoes are old. He wants to buy a new ________.
– Do you know ________? – Oh, I know he was born in 1929.
– I think we can have a long time to relax this summer!–______. We should get ready for high school.
– _____ do you think of studying abroad, Lingling?– Well, it all depends! I prefer studying at home.
– Who didn’t turn off the light after school yesterday?– It ______ be Lucy. She told me she was the last one to leave the classroom.
Think before you write, ______ you will get good grades in the exam.