( )21. _______ by the air， the kite went up into the sky.
A. Pushing B. Pushed C. Having been pushed D. Having pushed
( )22.—The round bowl over there is a bit small， isn‘t it?
— _______.
A. So are the fish B. So the fish are
C. Neither the fish D. Neither are the fish
( )23. She couldn‘t take shorthand， _______ slowed down the work of the office.
A. that B. which C. it D. so
( )24. Was it last Friday ________ you met him?
A. that B. on which C. which D. when
( )25. _______ might fail in the exam worried him.
A. He B. That he C. What D. It
( )26.—I‘v got this really painful ear.
—How long _______ you?
A. does it bother B. was it bothering
C. would it bother D. has it been bothering
( )27.—I started to study， but then a friend called.
—That‘s no excuse ________.
A. for not studying B. not for studying C. not studying D. not to studying
( )28.—Why was he so hot when he got home?
—He ________.
A. was running B. is running C. has been running D. had been running
( )29.—There‘s been an earthquake.
—I know. At least a hundred people ________.
A. were to be killed B. are said to have been killed
C. said to have been killed D. are said to kill
( )30. You may invite _______ wants to go.
A. whomever B. whoever C. which one D. people