an Thanksgiving Day, ______ falls on November 28 this year, is becoming increasingly popular in China.

______, we should sleep at sleep at least 8 hours a day, but in practice we sleep less than that.

It often ____ here in winter. Look! It _____ now.

Lee is new in Nanchang. Maybe he needs a_____for sightseeing.

,where’s the zoo, please—, Idon’t know.