Yao Ming as well as his teammates ______ hard to win honor for China these years.
| A．work | B．are working | C．has been working | D．Works |
—I do believe the scientific explanation that when a tomb is opened, the fresh air disturbs the viruses inside it. What about you?
—So do I. If _______ in, the disturbed viruses may cause illness or even death.
| A．breathing | B．breathed | C．being breathed | D．to breathe |
Our bodies are strengthened by taking exercise. ______, our minds are developed by learning.
| A．Probably | B．Similarly | C．Likely | D．Generally |
It took several hundred years ______ paper-making spread to western countries.
| A．when | B．before | C．after | D．since |
—I’ll tell Daisy about the change of our plan tomorrow.
—You 
______ her yesterday.
| A．should have told | B．ought to tell | C．must tell | D．would have told |
Wouldn’t it be ______ wonderful world if humans could live in ______ peace?
| A．a; the | B．the; 不填 | C．a; 不填 | D．the; the |