单项选择题
It can’t be a(n) （）that four jewelry stores were robbed in one night.
A. coincidence B. accident C. incident D. chance
单项选择题 There are usually at least two （）of looking at every question.
单项选择题 Joe Jones, the eldest of the eight children, had to （）out of high school at the age of 16 to help his father on the farm.
单项选择题 It is widely accept that young babies learn to do things because certain acts lead to （）
