It told them when to plant seeds, and when to harvest.

这告诉他们何播种、何收获。

It governs when we become sleepy and when we are more wakeful.

它决定我们何和何更加清醒。

Let them know when you're available and when you're not.

让他们知道你何有空，何没空。

Now, where did the panic start and where did it end?

那么他何变得惊慌失措，何又恢复了常态？

It tells you when you're feeling hungry, ready to go to sleep and ready to wake up.

它会告诉你何感觉，何准备睡觉，何准备醒来。

Please notify us of when you may come here.

请通知我们你何能来这里。

Please specify when you will be at home tomorrow.

请确切说明你明天何会在家。

It's really vital that you know exactly when to plant, when to prune and when to consolidate.

你确切地知道，这真的很重要何种植，何，何巩固。

Whenever , wherever, we are meant to be together.

无论何，无论何地，我们注定会在一起。

When can we meet? What time shall we meet?

我们何可以见面？

AgMobile can then track when the goods have been planted and when they're ready for sale.

AgMobile 可以跟踪商品何种植，何可以销售。

There's some disagreement as to when exactly the boomers end and Gen X begins.

有关婴儿潮一代何结束，X 世代何开始，这一点存在一些分歧。

I tell the people the time to rise, to go to dinner, and to come to church.

我能告诉人们何该起床，何该出去吃饭，何该到教堂来了。

When should I use 'gone' and when should I use 'been'?

何该用“gone”，何该用“been”呢？

When is the Chinese Lantern Festival?

元宵节何举行？

When will the business begin to make a profit?

该企业何开始盈利？

How does one know when stitches are needed?

如何知道何需要缝针？

Now, when can metal also be glass?

何金属即是玻璃呢？

It's hard to see whether series of tit-for-tat act ends.

不知此类事件何终止。

She did not say when it would come into effect.

她没有说何生效。