when did you come here?____since we landed here.A.it has been two days B.it was two days 选什么?为什么?为什么?

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when did you come here?____since we landed here.A.it has been two days B.it was two days 选什么?为什么?为什么?
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when did you come here?____since we landed here.A.it has been two days B.it was two days 选什么?为什么?为什么?
when did you come here?____since we landed here.
A.it has been two days B.it was two days 选什么?为什么?
为什么?

when did you come here?____since we landed here.A.it has been two days B.it was two days 选什么?为什么?为什么?
A (It is/ has been +一段时间+since +从句(过去时).固定句型‘自从……以来,……了’)自从我们登陆这里已经两天了.

A.it has been two days

我选A
since 是从过去到现在,用完成时。

选A

答案是A。 记住 since 出现时 一定是完成时态。
自从我什么什么时候我在做某件事。 就算现在不做了。表示的也是那段时间段内 他在做。