23、When he woke up he found himself ___in bed in the hospital and ____a group of doctors.

A. to lie, to be surrounded            B. lying, being surrounded

C. lying, surrounded                    D. to lie, surrounded

22、The notice says that only when your identity has been checked _____.

A. will you allow in          B. will you be allowed in

C. you will allow in          D. you will be allowed in

21、A new hospital will be set up ______was a chemical works five years ago.

A. where    B. in which   C. at the place where   D. what

20、It was ____he did _____disappointed us.

A. what, what   B. that, that    C. what, that    D. that, what

19、It is _____ work of literature that many people are desperate to have a copy of it.

A. so unusual a    B. such unusual   C. so unusual    D. such unusual a

18、You should not ______yourself for such a small mistakes.

A. disappoint   B. discourage     C. disturb     D. upset

17、Was it the building_____ many reporters were interviewing the US official_____ was attacked last week.

A. where; that   B. that; who  C. which; that  D. when; who