—Look! _________ clean the classroom looks !—Yes. I’m sure somebody _______ it up.
There are many books _____ that shelf.A. on B. in C. at
Today is _____ day of the week.A. first B. one C. the first
------Why _____ go fishing with me?----Sorry, I have______ homework to do.A. don’t; too much B. not; too many C. not; too much
Their teachers are very ______ to them.A .difficult B. boring C. friendly
The book_____ be jim’s because his name is on it.A. cant B. must C. can’t