If we ______ a table eariler, we couldn’t be standing here in a queue.

A. have booked        B. booked              C.would have booked     D. had booked

 People try to avoid public transportation delays by using their cars, and this _______ creates further problems.

A. in turn         B. in vain          C. in advance      D. in doubt

International communications have led to _______________________.

 A.using English widely.              B.English having used widely.

   C. English to be used widely.          D. English being used widely.

 News reports say peace talks between the two countries ____ with no agreement reached. 

A. have broken out          B. have broken up  

C. have broken in           D. have broken down

 John _______ be really difficult to get along with at times even though he is a nice person in general.

A.should            B. can           C must             D.will

 It has been revealed that some government leaders ________ their power and authority to get illgal profits for themselves.

 A. adopt           B.abuse         C. advocate        D. allocate

 My brother would like to buy a watch but __________ was available from that shop.

    A. nothing          B. no one       C none           D. neither

 If I hadn’t stood under the ladder to catch you when you fell, you ________ this moment.

A. wouldn’t be smiling       B. couldn’t have smiled   

C. won’t smile               D. aren’t smiling

__________ with a camera, a compass and several maps, the scientists set out to explore the ancient forest.

　　　　 A.Equipped　　　　　　　 　 B. Equipping　　

　　　　C. Being equipped　　　　 D. Having equipped

 By the time he arrives in Beijing, we _________ here for two days.

A. will be arriving           B.have been staying      

C. have stayed              D. will have stayed