什么时候

When did you make the acquaintance of his brother?

你是什认识他兄弟的?

The scientists are able to calculate accurately when the spaceship will reach the moon.

科学家能准确地计出太空船什抵达月球。

When do I need to use an apostrophe?

什用撇号？

I don't mind when you have the salad — dig in!.

我不管你什吃色拉——快吃罢！。

When are they sending the goods round?

他什把货物送过来?

There is no knowing when he will come.

无法知道他什来。

When did Rigatoni get back from Rome?

那个意大利佬什从马回来了？

I haven't decided when to set off; I'm mulling it over.

"我还没有决定什动身,我正在仔细考虑。"

Please notify us when you arrive, so that we'll be ready.

请通知我你什到达, 以便我做准备。

When is the next sailing to Ostend?

去奥斯坦德的下一班船什开?

He had an unerring instinct for when people were lying to him.

他具有准确的直觉，能判断别人什是在说谎。

When was universal suffrage introduced in your country?

贵国是什实行普选权的？

They knew when to attack and when to retreat.

他知道什进攻和什撤退。

Tom, when are you going to stop tearing around and settle down?

汤姆, 你什才能不再到处游荡而安定下来呢?

Whenever did you find time to do it?

你什有空做这事？

Whenever did he tell you that?

他什告诉你的?

It is not certain when it will take place.

不能确定这事什会发生。

Have they announced when the race will begin?

他宣布比赛什开始了吗?

Life is a loller coaster, and you never know when it turns.

生活就像过山车，你根本不知道他什会转弯。

When will we get a crack at the championship?

我什才能参加锦标赛？