题目内容
She says that the goods and services provided by nature — like clean air, rain or __________ soils — should not be taken for granted.
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You can count on David for help in case of difficulty. He’ll be __________ willing to help.
Thomas had to pool money from his allowance and from doing __________ jobs around the neighborhood to purchase his plane ticket.
If I gain any more weight, I won’t be able to __________ my clothes.
The proposals deserve support as they give top __________ to the needs of children.
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