Jim has been to the Great Wall before, ______ he?A. has B. does C. hasn’t
The man has ____friends in this city ,so he often stays at home.
_____ it was very cold, _____ my friend still went swimming in Jialing River this morning.
I have ____________ homework to do and I’m _______ tired now.
— _____ do you surf the Internet, Kate? — Not often, twice a month.
Ann, _____ the lights when you leave the classroom.