Girls are afraid of math .They think they have some         learning it .

As a _______, you must pay more attention to the facts before you write the article.

---- Could you please tell me something about the two _________?---- _____. They are exchange students of No. 1 Middle School.

 — Is that your mother?— No, she is my ______, my mother’s sister.

I like watching ________ because I can learn a lot about nature, history and real-life events from them.