16. Doctors are often in ____ dilemma over whether or not to tell their patients ___ truth about their condition.

A. a ; a       B. a ; the       C. / ; a      D. / ; the

17. The two men were ________ of receiving stolen property£¬which made their parents worried.

A£®suspected   B£®doubted   C£®arrested   D£®blamed

18. —Did you hear that Li Hua was robbed during his recent trip to South Africa?

—Yes£¬not only________ his money£¬but he was nearly killed.

A£®he lost    B£®did he lose   C£®he had lost D£®was he lost

19.John's brother has determined to ________ farming when he graduates from university£¬which dissatisfies his parents.¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡

A£®pick up B£®set up C£®take up       D£®give up

20. __________ to get a seat for the concert, he didn’t mind standing in a queue all night

A. Determined   B. To be determined   C. Determine   D .Being determined

21. We can hardly believe what she says because she is ___changing her mind.