They have been told that if they want to build a highway between the two towns, they should first try to____ how much it is going to cost.
| A．ignore | B．determine | C．realize | D．recongnize. |
It was an American man called Henry Ford ___created the motor car ____ we know it today.
| A．that; what | B．whom; that | C．who; where | D．who; as |
_____, about forty people travel in one bus, while the same number occupy thirty-three cars.
| A．On average | B．According to | C．In average | D．Instead |
Today some people call Amsterdam the “City of Bicycles”____ the convenience for bicycles there.
| A．while | B．before | C．because | D．because of |
Not long after his return, a local war ____ near his town.
| A．broke in | B．broken into | C．broke out | D．broke down |
Later, these rocks proved that ___ in the distant past the Antarctic was covered by plants.
| A．at one time | B．at a time | C．at times | D．at the same time |