The building __________ doors open to the east is a five-star hotel in the city.

A. which            B. whose           C. of which         D. where

 His pale face suggested he ________angry and he suggested that we ______at once.

    A. would be; leave                                          B. was; left                   

C. was; leave                                                 D. was; was leaving

 Nelson Mandela’s death has been a great _______ not only to those in South Africa, but also the rest of the world.（Xinhua News）

A. honor              B. loss                C. damage          D. lack

 - I’m surprised to hear that Lily and Peter have__________.

   - So am I. They seemed very happy together when I last saw them.    

    A. broken up                  B. finished up C. divided up            D. closed up

 In 1492 Columbus and his crew arrived ____________ was so-called the New World by the westerners.

A. in what                   B. in which       C. what                   D. where

 More attention should be __________ equipment in our company so that we can increase our production.

A. paid to improving                                B. paid to improve

C. taken to improve                             D. taken to improving

 Though Guangzhou Evergrande(廣州恒大) is the first Chinese club competing at the Club World Cup, nobody knows exactly how many years it will be __________ the Chinese football team enters the final stage of the World Cup.

A. when                         B. since                  C. before                  D. until

 There’s no doubt_____________international cooperation is the key to __________with cybercrime.

   A. whether; doing    B. that; dealing    C. whether; do           D. that; do

 Come and see me whenever____________.

A. you are convenient                  B. you will be convenient

C. it is convenient to you                    D. it will be convenient to you

 I promise that everything __________ clear about it next week.

A. has made           B. has been made     C. will be made       D. will make