作业帮Up to now, large quantities of food have been sent to Africa to save the starving people为什么要用have been sent呢?
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Up to now, large quantities of food have been sent to Africa to save the starving people为什么要用have been sent呢?
Up to now, large quantities of food have been sent to Africa to save the starving people
为什么要用have been sent呢?
Up to now, large quantities of food have been sent to Africa to save the starving people为什么要用have been sent呢?
up to now 到目前为止,与现在完成时连用
food 是食物。
食物是 被 送到 非洲的。。
have been done 现在完成时的被动。
如果 去掉been ，
就不是被动了。
所以要用 被动。
第二。
up to now 是现在完成时标志，所以要用现在完成时。
综上，
答案是have been sent。
UP to now
up to now 造句
up to now 造句
Up to now, large quantities of food have been sent to Africa to save the starving people为什么要用have been sent呢?
just now ,so far ,up to now
now it's up to
up to now什么意思?
Up to now的用法
用 up to now 造句
up till now 与up to now区别
up to now和up till now有什么区别
up till now和up to now的区别jiji
up to now 和 up till now 的区别up to now和up till now的区别.
up till now/up until now/up to now这三个用法有什么区别求解
Up till now有这种说法吗?Up till now是不是等于Up to now?
It'S Up To You Now 歌词
up to now的中文意思是什么?
claim your cash award now up to