Emperor Kangxi came to this village twice，thus________it the name Huangcheng.

The meeting lasted as long as three hours and I couldn’t ____________ it until 10 p．m..

It will be a while_____ the real-estate problems _____ are the root cause of the price rises are solved

All flights ___________ because of fog. I’m afraid you will have to stay here for another day.

It is required that the studentsmobile phones in their school, so seldomthem using one.