work out the math problem.

My father isn't at home .

Why not try doing the work?

, many women choose to go out to work.

You can choose to go.

my bike was broken.

A: Hi, Mark! Have you ever been to Beijing?

B: Yes, I have.

A:

B: I went there to visit my pen friend last month.

A:

B: He has been there since he went to Beijing University.

A:

B: Yes, we have. We visited the longest wall there.

A: I've never been there. But this summer I will go there with my parents.

B: Great!

A: Thank you!