I called Hnnah many times yesterday evening, but I couldn’t get through. Her brother _____on the phone all the time!
| A．was talking | B．has been talking | C．has talked | D．talked |
As there was no one she could________， she felt very helpless.
| A．turn to | B．turn on | C．turn off | D．turn over |
It was announced that 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 |
—Do you have any idea what your former boss would say about you?
—I don't know，________.
| A．so do I care | B．so I don't care |
| C．nor I don't care | D．nor do I care |
With a lot of assignment ________， little Tom still feels very easy.
| A．do | B．done | C．doing | D．to do |
The Education Department says that school safety has set off alarm bells with frequent reports of serious accidents ________ students got injured or killed.
| A．after which | B．in which | C．by which | D．for which |