Many companies give away small quantities of their produce as samples ______ people can try them before buying them.
| A．if | B．because | C．so that | D．since |
The charity sale our school organizes every year has taught us much. _______ we would never have learned it in class.
| A．Therefore | B．Meanwhile |
| C．Otherwise | D．Instead |
As is known to all, Montreal is the second largest French-speaking city in the world, _____.
| A．Paris is the largest | B．Paris the largest |
| C．Paris to be the largest | D．Paris be the largest |
Chinese vessels ________ 646,000 square kilometers in the southern Indian Ocean in search of the missing Malaysian flight MH370.
| A．have covered | B．have looked |
| C．have travelled | D．have reached |
Some experts say _______ birthrate of Chinese, after the one-child policy is relaxed, can see _______ modest increase in future.
| A．the; a | B．a; a | C．a; / | D．the; the |
The government will begin a series of to help the public fully understand the new educational system.
| A．expectations | B．occasions |
| C．presentations | D．assumptions |