cRY to solve the problem was not the problem什么意思
help to solve the problem?
solve the problem等于什么
He found that the problem was hard to solve.
To solve the energy problem这里to表示什么
solve the problem
The________designed some programs to solve the problem.
He____________a good idea to solve the problem.
The problem is ___ to solve.
He_________a good idea to solve the problem.
The problem is easy to solve.为什么用to solve
I did not solve the problem which I was _____ about.(worry)
英语辩论赛文章 Love is not the only answer to solve the problem