— Let’s go hiking _________ staying at home, shall we? — Good idea.
They found _____ useful to advertise on the Internet.
-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