Our government has taken some measures to overcome the lack of electricity, but it may take some time________ we have enough power．
| A．since | B．after | C．unless | D．before |
Do you still remember the chicken farm _______ we visited last year?
| A．where | B．when | C．that | D．what |
Whether we can finish the task on time or not will _______ the weather.
| A．depend on | B．carry on | C．switch on | D．go on |
One thousand people died in the disaster, two hundred and fifty-five children ____.
| A．were included | B．including | C．include | D．included |
----- What’s that terrible noise?
----- The neighbors ________ for a party.
| A．are preparing | B．prepare | C．have prepared | D．will prepare |
We were going out for a Christmas meal together ____ the accident happened.
| A．unless | B．until | C．while | D．when |