more and more forests destroyed, some animals are in danger of dying out．
A．With B．By C．As D．For,
It is believed that diligence(勤奋) along with good luck ______ one’s dream.
A. help make B. help achieve C. helps come true D. helps realize
—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
