A plane must go on a running way before it___or___(lands/landed;takes off/took off)
来源:百度知道 编辑:UC知道 时间:2024/06/23 08:51:07
lands
takes off
都用一般现在时 即lands 和 takes off
含义:飞机在它着陆和起飞之前都必须滑行一段路程。
在这时在讲诉一个一般性常识,不是在说一个过去发生的事情,所以用一般现在时不用过去时态。it 指plane 是单三 所以,在动词尾加s.
lands takes off
飞机起飞或是降落都必须经过一段跑道
这是常识 也是一般现在时
lands,takes off
这里完全不涉及到过去的情况,只是就事论事。所以应该用现在时。
SO you must be careful ,have a look first ,___you will go the wrong way
when i was 16 years old ,i knowed that : everything must have a go yourself !!
You must go home now
Need I go to see the manager?---Yes, you____.A) must B)do C)may D)can
急需MUST GO ON的歌词
He really must go now, ____?
句型转换:You must go home now.
I must go to school this afternoon.
leaving on a jet plane的中文
he must be a doctor