the problem is difficult to be solved 为什么solve要是过去式

相关推荐

• The problem is too difficult for us to solve it. 这个句子里面的it 为什么要去掉
• 单选 :( ) none of us could solve the math problem,it is too difficult .A Hardly B Nearly C almost D Seldom请每个选项都解答为什么 ,
• 单选 : ( ) none of us could solve the math problem,it is too difficult .A Hardly B Nearly C almost D Seldom请每个选项都解答为什么 ,谢谢!
• 请问一下下列英语句子正确吗?1.We all see the problem as difficult to solve.在这句话中as作介词用的话,那么difficult不是一个形容词吗?介词后面可以跟形容词吗?2.She always does what she( D A.likes B.likes doing C.likes to doing D.likes to在上面这句话中为什么要选D,而不选C呢?
• -i'v been working on this problem since last night.---it must be a difficult one _____A to solve B to be sovled C solving D for solving为什么选A 能否具体说明？
• You can't imagine the difficulty they had [ ] the problem.It isn't [ ] easy.A.to solve; soB.solved; soC.solving; thatD.solved; that为什么?
• The problem is easy to solve.为什么用to solveThe problem is easy （to solve）.这句话里用的是to solve,为什么不能用to be solved或者直接用solved?
• 28.It is a problem that doesn't need ________ right now.A.to solve28.It is a problem that doesn't need ________ right now.A.to solve B.solving C.being solved D.to be solving为什么选B 不选A?need什么时候做情态动词 什么时候做实意动词？
• Is it a problem difficult to solve?求解释,给分啊Is it a problem difficult to solve!这个是对的! 但是换成肯定句呢?是不是"It is a difficult problem to solve"还是"It is a problem difficult to solve"而且为什么不能是"Is it a difficult problem to solve?"
• The teacher gave us so difficult a problem as we couldn't solve.为什么用as不用which或that呢
• 任意4个正整数中,必定有两个数,他们的差被3整除.为什么?
• 十三岁的际遇,请说说北大给我带来了哪些巨大的影响?