nt to the“Bird’s Nest”last month, didn’t you——Yes. That was the second time I ________ to Beijing National Stadium.

When I’m in trouble(陷于困境), my friends always give me a hand.

Interest is as ________ to learning as the ability to understand, even more so. [ ]

I don’t know how to do it well.— Don’t worry. Here are some ________.

The town _______ we visited last week is the one _______ the famous painter was born.