How much did they ________ for it?—I’m sorry I can’t remember ________, but I bought it at sale.

You_________return the book now. You can keep it till next week if you like.

I had promised to send him an email_______I got home but I was so busy that I forgot to do so .

I like the city life very much.—I it because there is too much pollution there.

Shall we go to Xufu Cultural Fairright away— ______