His grandpa is __________ old __________ do any housework.

British students have________ weeks ________ in the summertime than Chinese students. 

 –__________is your cat?– The black one on the floor.

—You look so tired. Why ____________ to have a rest ?— OK, thanks.

When you travel in Xinghua, our local guide will show you around          Zheng Banqiao Memorial Hall(纪念馆).