现在几点了？

What time is it ___now?

现在立刻停止吵闹！

___Now stop making noise immediately!

此刻，女孩突然意识到自己迷路了。

___Now the girl suddenly realized she was lost.

既然你完成了作业，我们可以出去玩了。

___Now that you've finished your homework, we can go out to play.