They believe a single gunman carried out the attack.

     A. The attack’s is believed to have carried out a single gunman

     B. A single gunman is believed to have carried out the attack

     C. It is believed to be carried out the attack by a single gunman.

     D. It is believed that the attack has been carried out by a single gunman.

You need not to have washed the sheets. The hotel staff does the cleaning.

     A. It is good that you washed the sheets.

     B. It was not necessary to wash the sheets, even though you did.

     C. It was necessary to wash the sheets, but you did not do it.

            D. It was necessary to wash the sheets, and you did not do it

 Twice as many men as women are insurance agents.

     A. Women are twice as likely as men to have insurance.

     B. More men than women have insurance.

     C. Insurance is twice as difficult to sell to women as to men.

     D. Male insurance agents outnumber female agents.

OPPOSITE 

 No one knew precisely what would happen to a human being in space.

     A. wrongly                    B. casually                    C. flexibly                     D. informally

OPPOSITE

Tim was so insubordinate that he lost his job in one week.

     A. understanding          B. fresh                         C. obedient                   D. disobedient

Those children who stay longer hours at school than at home tend to spend their formative years in the company of others with similar aims and interests.

     A. being separated                                              B. forming a new business company

     C. being together with friends                           D. enjoying the care of parents

“A friend in need is a friend indeed”: Our friends have voiced their strong criticism of China’s escalation of tension on our continental shelf.

     A. facing the reality                                            B. worsening the situation

            C. easing the tension               D. improving the condition

Peter: “Would you like a beer?”

Maria: “Not while I’m _______________”

     A. on duty                    B. in order                     C. in the act                   D. under control

Jack: “I’d rather stay at home”

Gina: “__________________”

     A. Had you?                 B. Wouldn’t you?         C. Hadn’t you?             D. Would you?

There is ______ to be a serious energy crisis in the next century.

     A. reputed                     B. known                      C. foreseen                    D. bound