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 are now 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 help unemployment．
A．release B．resemble C．relieve D．recommend
Misunderstandings from lack of social communication，unless properly，may lead to serious problems．
A．arisen；handling B．arising；handled
C．rising；handled D．risen； handling
The driver could have survived but he the seat belt.
A. had been wearing B. hadn't worn C. wasn’t wearing D. didn't wear
