--- Will the new iphone cost a lot?--- I ________ think so. Apple’s products are usually expensive.
---Can you promise _______ late ______ school again, Tom? ---Yes, of course I can. A. don’t be; for B. not be; at C. not to be; at D not to be; for
---How much did you _______ on the shirt? ---Five hundred yuan. ---Oh, It’s ______ expensive. I can’t take it.
________ important ______ us to listen carefully in class!
It was very kind ________ the policeman ________ me home.
I have learned how to keep my hair ________. So _____ my classmates.