The _____ in temperature is broadcast twice aday in the channel.

It was in this new hall ____ was just set up last month ____ we held an important meeting yesterday.

I’d like to book a round- trip ticket.——Sorry, sir, but there are no tickets______ at the moment.

When we practice speakingEnglish, we often end up ______in Chinese.

The teacher said that__ of the boys would take part in the talent show.