What ________ May and Tom doing?A.is B.am C.are
Can I wear my T-shirt?_____A. No, you can't. B. Yes, you can't. C. No, you can.
It's cold ____ Beijing.A. on B. in C. at
It's 9:45. It's time ____ music class. A. to B. for C. of
Look at the clock, what ____ is it? A. class B. time C. can
It's 10 o'clock. It's time ____ go to school. A. to B. for C. of