____ time and labour, you should join hands ____ him in the business.
| A．To save; with | B．Saved; with | C．Saving; with | D．Having saved; by |
It is the third time that he ______ the first prize in the competition.
| A．wins | B．won |
| C．has won | D．to win |
The teacher called Tim’s mother ________ what he had done in the test.
| A．because of | B．because |
| C．since | D．as |
The artist made up his mind to devote all he could his English before going abroad.
| A．improve | B．to improve |
| C．to improving | D．improving |
For many cities in China, there is no room to spread out further, _______ Yangzhou is an example.
| A．for which | B．in which |
| C．of which | D．from which |
The early pioneers had to _____ many difficulties to settle down on the new land.
| A．get along with | B．go after |
| C．go over | D．go through |