tuation forced my mother and I exchanged our rolesas child and caretaker, making me grow up much faster than the _____ child.

Is Jack on duty today? —It ______be him. It is his turn tomorrow.

There is______ with my leg. —Don’t worry. Let me help you.

The blouse is just for me. I will take it.

It seems to some experts that there are only three commonly-used video websites in this area: 56.com, Youku.com, Tudou.com and they ____ 90% of the market. [ ]