Influenza HINI is an illness that can result in death unless ______ in time.
| A．treat | B．to treat |
| C．treating | D．treated |
It was in that country_____he studied for his doctor’s degree____he fell in love with the girl.
| A．that;that | B．which;where | C．where;that | D．where;where |
It is strongly suggested that measures________factories to pour waste into rivers by the government.
| A．be taken to prevent | B．be taken to forbid | C．are taken to prevent | D．are taken to forbid |
— How long do you think it will be _______ the USA recovers from the losses of the financial crisis?
— Perhaps four or five years.
| A．when | B．since | C．that | D．before |
When________there, the postman found the door locked and then stopped ______the letter under it.
| A．reaching;to stick | B．reached;to stick | C．reaching;sticking | D．reached;sticking |
This agreement will be signed by the managers_________.
| A．concerns | B．concerning | C．concerned | D．to be concerned |