I apologize if I__________you，but I assure you it was unintentional(无意的).
| A．offend | B．had offended |
| C．should have offended | D．might have offended |
The pills really work! I __________ 7 kilograms in the last two months!
| A．lose | B．lost | C．am losing | D．have lost |
Three of the town’s factories have closed down _____ the space of a year.
| A．among | B．after | C．beyond | D．within |
____, he does not know the answer.
| A．As he is a teacher | B．As he is teacher |
| C．A teacher as he is | D．Teacher as he is |
---Do you know what Tom does all day?
---I know he spends at least _______ time watching TV as he does spend doing his lessons.
| A．more | B．as much | C．much | D．as more |
Jessica ought to stop work.She has a headache because she _______ too long.
| A．read | B．is reading |
| C．had read | D．has been reading |