Mum, what are you cooking? It ______ so sweet.
Kate will arrive Harbin the morning of July 5 by plane.
–What do you think of your brother? --He is honest and useful man.
--Can you come to the welcome party for our new friend next Saturday night? --_______.
Mr. Liu is our new head teacher this term and he wants to know _______.
Wu Bin, a bus driver, saved 24 passengers on the large bus after he _______ by a piece of metal while he was driving. A. is hit B. was hit C. has hit D has been hit