Paris is one of in Europe.A、the liveliest citiesB、the liveliest cityC、the lively city
This kind of bicycle________in Tianjin.
I can’t hear you.Would you please speaK________?
Food and drink should________to be brought into the reading room.
Attention,please!All the mobile phones must________before the meeting starts.
I think________are old enough to make their own decisions.