Mr Simpson is an expert in this ____ of biology. GIM is a Finnish company which ____ robotic devices. Fifty rescuers,____ twenty divers,are looking for victims of the tsunami in the sea. Materials such as glass and plastic are ____. Tom got sick,so we had to ____ his trip. Whenever I feel sad I ____ my family for support. Can you ____ the radio,please? The ____ of our organisation is to protect wild animals. You didn't deal with the situation ____. A computer can ____ lots of tasks at the same time.

d class-unit 11

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