It's fantastic to work as______volunteer for the Special Olympics World Games．（ ）
A．aB．anC．theD．不填
﹣Hello， Beijing Hotel． Can I help you？
﹣Yes， I'd like to _____ a single room for two nights．（ ）
A．enterB．moveC．bookD．provide
A better future is the goal of the Chinese people， _____ it's also the common interest of the world．（ ）
A．soB．andC．orD．but
﹣The 5G technology can help doctors treat patients who are hundreds of kilometers away．
﹣ It's really ____．（ ）
A．secretB．direct
C．amazingD．traditional
﹣It's ten years since we came here．
﹣How time flies! We ____ in China for so long．（ ）
A．workB．worked
C．will workD．have worked
Could you stay a little longer？ I have ____ more to tell you about the plan for tomorrow．（ ）
A．somethingB．everythingC．anythingD．nothing