All the soldiers were placed exactly the local government wanted them for the control of the comeback of the flood.
| A．while | B．when | C．where | D．though |
They thought the meeting was ________great importance.
| A．in | B．for | C．of | D．/ |
________the birthrate down by 10%,the number of the population has decreased.
| A．For | B．With | C．As | D．By |
The army went ________the thick forest and at last came to a little river.
| A．across | B．over | C．above | D．through |
You have made several mistakes in your exercises but ________you have done well.
| A．on the whole | B．except that |
| C．generally speaking | D．on the other hand |
The water lever has risen ________10 cm and up to 100cm in the last days.
| A．to | B．of | C．in | D．by |