2
( ) 1 Our room must ___ clean.
A. keep B. be kept C. to be kept D. to keep
( ) 2 -I'd like to buy that coat.
-I'm sorry. ___.
A. it sold B. it's selling C. It's been sold D. it had been sold
( ) 3 A new house ___ at the corner of the road.
A. is building B. is being built C. been built D. be building