Some of the water in the rivers ________ not clean.
The children were made ____ homework first.A.do B.to do C.did
– How long has Mr. Green been in Beijing?-- It ____ half a year since he ____ there.A. is; moved B. was; move C. was; moved
Usually soft colors make people ______.A.relaxing B.relaxed C excited
—We can use QQ to talk with each other on line.—Really? Could you please show me ____________it?A. how to do B. what to do C. when to do
When we got to the theatre, the play _______ for five minutes.A.had been on B. had begun C. was on