Boys and girls, the books in the library should______ good care of.
A．take B．are taking C．be taken
An official _____ by some reporters on food problems in Shanghai yesterday.
A．is interviewing B．is interviewed
C．was interviewing D．was interviewed
Waste paper shouldn’t _____ everywhere. It’s our duty to keep our classroom clean.
A．be thrown B．throw C．is thrown
—Who’s the little baby in the photo, Li Ying?
—It’s me. This photo ____fourteen years ago.
A．is taken B．took
C．takes D．was taken
—Will you please go to see the movie Guanyinshan with me?
—No, I won’t. I ______ already.
A．saw B．have seen
C．see D．will see
— Your classroom is very clean.
—Yes, it ______ every day.
A．is cleaned B．cleans C．is cleaning
