Look out! Don’t get too close to the house____ roof is under repair.
| A．whose | B．which | C．of which | D．that |
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 |