The policemen ______ the house again and again, and finally found the evidence.
| A．got through | B．picked up | C．went over | D．turned over |
The ______ has become extremely tense. A war could break out any time between the two sides.
| A．pollution | B．friendship |
| C．condition | D．situation |
“Aha, you’re a chain smoker！” “Only at home. Nobody _______ that but you.”
| A．discovered | B．had discovered |
| C．discovers | D．is discovering |
In order to learn the _______ of the family business, Bill took a job as messenger boy in one of the offices.
| A．ins and outs | B．dos and don’ts |
| C．heads and tails | D．t’s and i’s |
“What’s your opinion on the matter, please？” “Oh, sorry, I _______.”
| A．wasn’t to listen | B．haven’t listened |
| C．wasn’t listening | D．hadn’t listened |
—Li Lin is very bright and studies hard as well.
—It’s no ______ he always gets the first place in any examination.
| A．question | B．doubt |
| C．problem | D．wonder |