Even though the workers were not satisfied, they _____ to the boss finally.

_____ as much as one-fifth of the trees have been cut down.[ ]

Zetao easily proved himself to be a rising star with four gold medals during the 17th Asian Games, ______was held in Incheon, South Korea last year.

I’m sorry I ______ my homework at home.– That’s all right. Remember ______ it to schooltomorrow.

China is very _______ the Great Wall and pandas.