— Hello! Could I speak to Mr. Liu, please?
— Sorry. He _________ for a month.
A. had been away B. was left C. has been away
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