The researchers found clear and convincing evidence ________ happiness is the key when it comes to better health and longer lives.
| A．where | B．whether | C．how | D．that |
.
The Winter Olympic champion Zhou Yang was _______ that her remarks after winning the gold medal caused criticism from some people.
| A．a so direct person | B．so direct a person |
| C．a direct so person | D．a so person direct |
.
According to a recent report, India is considering ______ the cheapest laptop computer which can be afforded by most of the people.
| A．to produce | B．producing | C．to be producing | D．it produced |
.
You said that the current shortage of water in some provinces would end soon, ______?
A. would it B. wouldn’t it D. did you D. didn’t you
.
______ online shopping has accounted for a large part of the total purchase volume, many people think the traditional shopping style is irreplaceable.
| A．Because | B．Once | C．Unless | D．Although |
.
Many companies give away small quantities of their produce as samples ____ people can try them before buying them.
| A．if | B．because | C．so that | D．since |