The snow storm left, a lot of damage to this area.
| A．caused | B．causing | C．to cause | D．to have caused |
Many people can’t learn any lessons from the mistakes they’ve made_____they get hurt somehow.
| A．whether | B．unless | C．if | D．as |
The performance will be given next week. You can go to the student union ______ tickets.
| A．for | B．with | C．by | D．on |
With the development of agriculture, the people_____ village I taught arenow living a happy life.
| A．in whose | B．whose | C．in which | D．which |
During the 2008 financial crisis，the French president Nicolas Sarkozy agreed to provide millions of emergency fund aid to helpunemployment．
| A．release | B．resemble | C．relieve | D．recommend |
Misunderstandingsfrom lack of social communication，unlessproperly，may lead to serious problems．
| A．arisen；handling | B．arising；handled |
| C．rising；handled | D．risen； handling |