“I don't think it's my ________that the TV blew up. I just turned it on，that's all，”said the boy.
| A．error | B．mistake | C．fault | D．duty |
We had to wait half an hour _______ we had already booked a table.
| A．since | B．although | C．until | D．before |
Don’t be _______ by products promising to make you lose weight quickly.
| A．taken off | B．taken out |
| C．taken away | D．taken in |
-Turn off the TV,Jack.your homework now?
-Mum,just ten more minutes,please.
| A． | Should you be doing | B． | Shouldn't you be doing |
| C． | Couldn't you be doing | D． | Will you be doing |
The crowd cheered wildly at the sight of Liu Xiang,who was reported _______ the world record in the 110-meter hurdle race.
| A．breaking | B．having broken |
| C．to have broken | D．to break |
Help others whenever you can _______ you will make the world a nicer place to live in.
| A．and | B．or | C．unless | D．but |