12.Property insurance helps you to ______ against natural disasters, in front of which humans appear too small.
| A．prevent | B．defend | C．protect | D．shelter |
It is ___world of wonders, _____world where anything can happen.
| A．a. the | B．a, a | C．the, a | D．/,/ |
While he was investigating ways t improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.
| A．a ,/ | B．a ,the | C．/, the | D．the ,a |
The most important thing about cotton in history is ___part that it played in ____Industrial Revolution.
| A．/,/ | B．the,/ | C．the , the | D．a ,the |
When he left _____college ,he got a job as ______reporter in a newspaper office .
A. /, a B /, the C .a the D .the, the
___on-going division between English –speaking Canadians and French-speaking Canadians is _______major concern of the country.
| A．The ,/ | B．The ,a | C．An ,the | D．An,/ |