Only when the fire was under control to return to their homes.
| A．the residents would be permitted | B．had the residents been permitted |
| C．would the residents be permitted | D．the residents had been permitted |
He will never tell lies, and it’s against his _______ for he’s such an honest man.
| A．rules | B．regulations | C．patterns | D．principles |
He would have come here on time, but he _____ in the heavy traffic on the way.
| A．caught | B．had caught | C．was caught | D．had been caught |
— Why is the librarian staring at me?
— You _____ to read aloud in the reading room.
| A．don’t suppose | B．haven’t supposed |
| C．are not supposed | D．are not supposing |
_____ Li Ming and Xiao Fang, there were also many other students attending the lecture.
| A．Regardless of | B．Except for | C．As well as | D．Apart from |
The number of _____ species increases every year with their natural habitats disappearing.
| A．dangerous | B．endangered | C．serious | D．harmful |