Alice loves music. Every day she practices ________ the piano for an hour.

Mum，would you plethe dishes the wholevacation，you________have one as a reward.

Have you ____ been to our town before?—No, it’s the first time I ___ here

Professor Scotti often it,success is ninety-nine percent mental attitude.

Please don’t stand near the pandas. Pandas can be _________sometimes.