“I don’t think it’s my _____ that the TV blew up. I just turned it on, that’s all,” said the boy.
A. matter B. mistake C. fault D. duty
The deer ____when the animals , harmful to them, disappeared.
A. multiplied B. produced C. laid D. developed
The students entered the classroom, smiling and _______, and _____ down to have their lessons.
A. talked , sat B. talking, sitting C. talking , sat D. talked; sitting
If your knowledge can be in some way ______ with my experience， we are sure to succeed.
A．joined B. connected C. united D. combined
If you put too many oranges in that paper-bag it will _____.
A. spread B. explode C. crash D. burst
The physics teacher told the students to observe carefully what would happen when a (n) _____ acted on the object.
A. force B. energy C. power D. strength
