Our city has changed a lot; who can tell what it will be like in _____ten years?
The foreigner does speak Chinese well, but of course not _____ we Chinese.
The reason _____ he refused to attend the meeting was that they didn’t give him an invitation earlier.
—Thank you for joining in our conversation tonight. —_____.
It was in the street_________ I met Mary yesterday .
Do you have any difficulty ________?