As we know, Jean is a investor(投资者)who studies the market before he buys things.
The global warming is more and more serious,for which human beings ________.
Taking this medicine,if________,will of course do good to his health.
________such a heavy loss,the businessman didn’t have the courage to go on.
I’ve worked with children before,so I knew what ________ in my new job.
Generally speaking,prices of daily goods ________ through the Internet are lower than store prices.