_______ all the inventions have in common is _____they have succeeded.
A. What; what B. That; that C. What; that D That; what
Fever is a _________ of many illnesses. So I suggest that you should take your son to see a doctor at once.
| A．symptom | B．species | C．system | D．slogan |
I’m convinced that nobody will ______ your impractical suggestion, which will cost too much money.
| A．subscribe to | B．attend to | C．lead to | D．contribute to |
Little Jerry was interested in stories about undersea exploration, so he gave all his pocket money to his brother ________ the novel based on such a story.
| A．in favor of | B．in exchange for | C．in need of | D．in place of |
Even if she brushed the old pot __________, she could not make it completely clean, which made her upset.
| A．firmly | B．steadily | C．roughly | D．thoroughly |
The number of college students who attended national examination for admissions to the civil service in 2013 reached 1,117,000, a (n) ________ of one million per year in the recent three years.
| A．average | B．number | C．amount | D．quantity |