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Species become extinct or endangerment for a number of reasons but the primary cause is the destruction of

habitat by human activities

• endangerment

• reasons

• destruction

• by human activities

Although species evolve differently, most of them adapt to a specific habitat or environment that best meets

their survive needs

• Although

• adapt

• that

• survive

Without the particularly habitat, the species could not survive

• Without

• particularly

• could

• survive

Such human activities as pollution, drainage of wetlands, cutting and clearing of forests, urbanization, and

road and dam construction has destroyed or seriously damaged available habitats.

• Such

• drainage

• clearing

• has destroyed

Habitat fragmentation have caused plant and animal species in the remaining islands of habitat to lose contact

with others of their own kind.

• with

• species

• have caused

• fragmentation

X: Hello, is that Liz speaking?

Y: __________

• Yes, who's that? I can hardly hear you

• Hello, how are you?

• Hi, there. I'm Juliet.

• You can leave a message, please.

X: Hello, could I speak to Chris, please? Y: __________

• Sorry, he's not in

• Yes, you could.

• Sure, go ahead.

• Certainly I am.

X: Shall I ring you later?

Y: __________

• No, you won't.

• Yes, but I may be out

• Sorry, I'm busy now.

• I couldn't agree more.

X: Do you know how this machine works? Y: __________

• It's very expensive.

• Will you call the mechanic tomorrow?

• Plug it in and push the green button.

• I think it's quite heavy.

X: _________

Y: Oh, the bulb went out when I switched it on.

• Are there anything wrong?

• What matters to the lamp?

• Does the machine work properly?

• What's wrong with the lamp?