20. The flu is believed________by viruses.
|
A．causing |
B．being caused |
C．to be caused |
D．to cause |
19. They________a lot of suggestions for improving the workers’ living conditions.
|
A．put out |
B．put forward |
C．put on |
D．put in |
18. After having gone____-far, I didn’t want to turn back.
|
A．enough |
B．thus |
C．that |
D．Much |
17. One of the mottos for the park makes_____clear that science and business can and must work together to build the future.
|
A．them |
B．it |
C．us |
D．This |
15. It is often said that the joy of travelling is________in arriving at your destination___in
the journey itself.
|
A．\; but |
B．\; or |
C．not; or |
D．not; but |
14. – How often do you go swimming?
--___________, but usually twice a week.
|
A．I’m all right |
B．It depends |
C．With pleasure |
D．I’d rather stay at home |
