Mr. Black is very happy because the clothes made in his factory have never been __________.
| A．popular | B．more popular |
| C．most popular | D．the most popular |
A power failure completely _____ the cake she was baking.
| A．damaged | B．weakened | C．spoiled | D．injured |
.Though I knew these are words of Latin _____, I didn’t quite know their meanings until I asked my teacher .
| A．origin | B．source | C．resource | D．way |
“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 |