If their habitat___________(受到了威脅) or they cannot find enough food, their numbers __________(就會(huì)減少)

There has been a steady _________(decrease) in population in this city.

Winter is the best time for ________(hunt) in mountain areas.

Many parents feel a sense of ________ (lose) when their children leave home.

They are pulling their troops out of the battle z________.

He still _________ (保留)his opinion on some points.

There were some photos of ________(野生動(dòng)植物)in the document.

這體現(xiàn)了野生動(dòng)植物保護(hù)的重要性，不過，我還是想按照世界野生生物基金會(huì)的建議來幫助你們。

________________________________________________,but ______________________________ the WWF __________________.

戴茜如釋重負(fù)，突然笑了起來。

_________________________________________________________________.

這種剪刀是用來剪羊毛的。

This kind of scissors ____________________________ .