In____review of 44 studies, American researchers found that men and women ____who ate six key foods daily cut the risk of ______ heart disease by 76%. 
| A．a; the | B．the; a | C．a; 不填 | D．不填； a |
—Which of the two computer games did you prefer?
—Actually I didn’t like ______.
| A．both of them | B．either of them | C．none of them | D．neither of them |
—There is still a copy of the book in the library. Wall you go and borrow ________?
—No, I’d rather buy ________ in the bookstore.
| A．it;one | B．one;one | C．one;it | D．it;it |
The information on the Internet gets around much more rapidly than ____ in the newspaper.
| A．it | B．those | C．one | D．that |
To save class time, our teacher has ________ students do half of the exercise in class and complete the other half for homework. .
| A．us | B．we | C．our | D．ours |
_____________ worries me the way he keeps changing his mind.
| A．This | B．That | C．What | D．It |