I met a friend of mine _____ I was walking in the park.

I’m afraid a car is too expensive for me.—But more and more Chinese can_______ to buy one.

Alice, is this your pen? I need one to write down the name of the book. — No, it isn’t . ________ is over there on the desk.

We __________ 1000 English words since we __________ to learn English.

Can you hear me? —No, I can’t. Would you please speak _________?