(2014·湖南郴州五校第二次联考)It was during the Ming Dynasty________the Great Wall was repaired and extended to take on the appearance it has today.

at their parents are dead, the poor boy doesn’t know ________ the money they left.

You must go to the ________ if you want to buy vegetables.

I’ll him off this time but next time he’ll be punished.[ ]

When would it be foryou to go to the science museum with me— I am free this Friday afternoon. Let’smeet at 2 p.m. at the school gate.