---There is a tall building on Taoze Road. Do you know?---I know it. It ________ has 10 floors.
-How much did you ____ on your new bike ?-About two hundred Yuan.
Do you know _____ during the following summer holiday ?
Miss Li__________ more than 100 books in the last few years.A. read B.has read C. has been reading
My pen-pal Andrew found ______difficult to learn Chinese well.A. / B. that C. it
I want to ues QQ to chat with you on the Internet,Can you tell me_________?A. how to use it B. how to use C.what to use