作业帮区别：last/remain表持续；recycling/recycled material表可回收金属原句分别是："the sweets could [last] through the year!”i thought,and they did.the stuff used to be thrown about ,but now it is [recycling] material.注：中括号
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区别：last/remain表持续；recycling/recycled material表可回收金属原句分别是："the sweets could [last] through the year!”i thought,and they did.the stuff used to be thrown about ,but now it is [recycling] material.注：中括号
区别：last/remain表持续；recycling/recycled material表可回收金属
原句分别是：
"the sweets could [last] through the year!”i thought,and they did.
the stuff used to be thrown about ,but now it is [recycling] material.
注：中括号内为正确答案,请说明两者不同和为什么在这里不用另外一个?
区别：last/remain表持续；recycling/recycled material表可回收金属原句分别是："the sweets could [last] through the year!”i thought,and they did.the stuff used to be thrown about ,but now it is [recycling] material.注：中括号
last是持续的意思,表示一件事持续多久.这句话要说的是这些糖/甜味可以持续1年.remain强调的意思常常是保持不变,例如remain the same（保持不变）,remain single（保持单身）等等.而且没有remain through这种搭配,所以这里肯定不能是remain的.第二句话意思是这种材料从前被随便扔掉,但是现在,它是可回收材料了（也就是不再被乱扔了）.recycling material意思是可回收材料.英文中常用这种动词-ing形式作为形容词来修饰名词,楼主多留意会发现很多.recycled material 意思只能是被回收了的材料,不符合句意.