could do 还是 could to doThe doctor did what he could ——————————the dying man A save B to save C saved D saving
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could do 还是 could to do
The doctor did what he could ——————————the dying man
A save B to save C saved D saving
答案是B
could是情态动词 情态动词后面要跟动词原形 情态动词还包括了 will can should shall may might 等 但是这句话里 could是 从句what he could 里的 意思是 这位医生做了他所能做的去救这个将要死去的人.to save 是表目的 do sth to.
选B,医生做了他能做的为了这个救濒临死亡的人,to 表示目的
B to save
医生尽其全力去救这个快死的人.
do what he could to
尽其全力去......
情态动词后用动词原型
但这里could并不是直接与动词相连,
而是在从句中what he could 其所能
你好,回答如下
B 选择to save
不妨看做what后面+do 还是to do的不定式
而不是你说的could do 还是could to do
因为could 后面一定是接do的
而what疑问代词一般后面都是接to do的
could do !!
could永远不能与不定式连用!!
你这个句子,what he could 是插入成分,做题时应该去掉
Could you please+ not do还是not to do?
could not but后面是do还是to do来着
could not wait to后接do还是doing?
could you please don't to do 还是could you please not to docould you please don't do 还是could you please not do
could not keep to do
There lots of things for you could( )括号里填do还是to do
There lots of things for you could( )括号里填do还是to do
hard to do sth.还是 hard doing sth.Could you please do sth.
could you please doing 还是do
could you please to do something
I could please to do sth
could you come over to my house .sorry ,i ---.i have to do my homework first括号里是填could还是 couln't还是 can还是 can't
Could you tell me ___ to do next,please?填what还是how?
would you mind、could you please后面是加to do 还是doing?
could you tell me what/how I to do sth.是what还是how,为什么?
do whatever you could to help him这里do和could作用用法?
All i could do is to wait.的主语是I could do''吗
could