—How far is it from Beijing to Haikou?—It's a______ flight from Beijing to Haikou.A. 3-hour-long B. 3 hours long C. 3 hours' long
When I walked past her room, she_______ an English song.
- He________ if he is free.
—What was Tom doing _______ it was raining? —He was doing his homework in the bedroom.
Some scientists believe that theremore robots in the future. A will have B. will has C. will beD. Are
They ________ TV at ten o’clock last night.