作业帮-I am going to the supermarket .-Will you get me some chocolates ···you are there ,mom -I am going to the supermarket .-Will you get me some chocolates ···you are there ,mom A sinceB becauseC ifD whilesince不是有既然的意思,为什麽不
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-I am going to the supermarket .-Will you get me some chocolates ···you are there ,mom -I am going to the supermarket .-Will you get me some chocolates ···you are there ,mom A sinceB becauseC ifD whilesince不是有既然的意思,为什麽不
-I am going to the supermarket .-Will you get me some chocolates ···you are there ,mom
-I am going to the supermarket .
-Will you get me some chocolates ···you are there ,mom
A since
B because
C if
D while
since不是有既然的意思,为什麽不选而要要while
-I am going to the supermarket .-Will you get me some chocolates ···you are there ,mom -I am going to the supermarket .-Will you get me some chocolates ···you are there ,mom A sinceB becauseC ifD whilesince不是有既然的意思,为什麽不
这里需要的意思是：当.的时候 如果用since,那就表示既然你在那里,而根据上下文的意思,妈妈还没有去超市呢.
---我想去超市.
---妈妈,当你在超市的时候,你能给我买些巧克力吗?
since有由于、自从的意思，不做转折所没有既然的意思。 while 有然而之意。
用while 是指在你在哪里的时候。
既然你在那里 的话 ，you are there 应该就是将来时态，因为mom在对话的时候还没有到supermarket. while 的意思是 当……时，符合句意
应该选since这里的since作“既然”讲，意思是“妈妈，既然你去那儿，能不能给我带点巧克力呢？”