The most     1     earthquake in the past 40 years caused a tsunami that     2    into coastlines across Asia yesterday，killing more than 6,500 people in Indonesia, India, Thailand, Malaysia, and at least four other countries. Fishermen, tourists, hotels, homes, and cars were     3     away by huge     4     caused by the strong earthquake that reached a magnitude of 9.0. The undersea quake     5     around 7:00 a.m., Sunday off the coast of Indonesia’s Sumatra Island. In that area alone, at least, 1,870 people were killed.

Some body language has many different uses. Perhaps the best example is smiling. A smile can   help us get through difficult situations and find friends in a world of strangers.    1     We can use a smile to apologize, to greet someone, to ask for help, or to start a conversation . Experts suggest smiling at yourself in the mirror to make yourself feel happier and stronger. And if we are felling down or lonely,     2     seeing the smiling face of a good friend.

The other day I was showing the boys the weekly chemistry experiment when, before I knew it, the mixture was bubbling over everywhere! The boys who had never come across anything like this before started jumping out of the windows. Sometimes I wonder     1    , most of whom will be going back to their villages after Year 8 anyway. To be honest, I doubt     2    .

Xie Lei lives with a host family who give her lots of good advice. Although some foreign students live in student accommodation or apartments,     3    . Living with host families, in which there may be other college students, gives her the chance to learn more about a new culture. “When I hear an idiom that I don’t understand, I can ask my host family for help ,” explains Xie Lei. “Also, when I miss my family,     4     .”