--Look! Someone ______ the laptop.
--Well, it wasn’t me. I didn’t do it.
| A．had repaired | B．is repairing |
| C．has repaired | D．was repairing |
As is known to all, to smoking will do harm to your health.
| A．addicted | B．having addicted | C．being addicted | D．after being addicted |
the exploration of the botanical world on a large scale.
| A．It was not until the eighteenth and nineteenth centuries that; had begun |
| B．It was not until the eighteenth and nineteenth centuries when; began |
| C．Not until the eighteenth and nineteenth centuries did; begin |
| D．Until the eighteenth and nineteenth centuries; began |
How do you think that he was an hour late on such a short journey?
| A．it came about | B．did it come about | C．it was come about | D．was it come about |
If I yesterday, he now.
| A．had said sorry to him, wouldn’t be angry | B．said sorry to him, wouldn’t have been angry |
| C．have said sorry to him, won’t be angry | D．had said sorry to him, would be angry |
At the age of 29, Dave was a worker, in a small apartment near Boston and ______ what to do about his future.
| A．living; wondering | B．lived; wondering | C．lived; wondered | D．living; wondered |