. Jane Goodall with her assistants ______ for the forests to learn more about the chimps.
| A．are setting off | B．is setting off | C．have set off | D．sets off |
It wasn’t until nearly a month later ____ I received the manager’s reply.
| A．since | B．when | C．as | D．that |
____ what you said, he got very angry.
| A．Because | B．Because of | C．Since | D．For |
There has been ____ accidents on this part of road.
| A．a number of | B．a great deal of |
| C．a series of | D．plenty of |
– Are you getting a new apartment this year?
– ____ I can’t afford to pay my bills, let alone buy a new apartment.
| A．Not at all. | B．You must be joking. |
| C．Are you sure? | D．Good idea! |
He’s ____ working in Germany as a representative of a Chinese company.
| A．at once | B．at a time | C．at present | D．on time |