_____ of them knows Japanese, so I have to ask a third person for help.—You’d better ask Tom for help. He is good at Japanese.

By the first day of August, 2007, the PLA has its ______ birthday.

You see, there are a lot of cars and people on the street. —Yes, it’s very______.

You should really smoking because it’s bad for your health.

Why haven’t you asked her to come here?— She _______ an important experiment when I found her and she _______ it.