The police suspected him of carrying drugs so they _______his bags, but found nothing.
| A．looked up | B．turned in |
| C．searched for | D．went through |
Having finished her project, she was invited by the school_____ to the new students.
| A．speaking |
| B．having spoken |
| C．to speak |
| D．to have spoken |
Never before seen anybody who can play tennis as well as Robert.
| A．had she |
| B．she had |
| C．has she |
| D．she has |
You can borrow my car ___ you promise not too fast.
| A．unless |
| B．even |
| C．in case |
| D．a s long as |
You'd better write down the phone number of the restaurant for future ____.
| A．purpose |
| B．reference |
| C．progress |
| D．memory |
By 16:30, was almost closing time, nearly all the paintings had been sold.
| A．which |
| B．when |
| C．what |
| D．that |