There are scientific ways at which man solves problems.
There are scientific ways at which man solves problems.
There are scientific ways in which man solves problems.中为什么用
There are scientific ways in which man solves problems.这里in
翻译英语:There are scientific ways in which man salves problems.
are there any problems which remain____
There are other problems which I don't propose to ____ at th
There are these four ways of answering questions.Which four?
There are various ways in which individual,economic units ca
There are many different ways in which people can volunteer,
there are few ways in which he is an adult.
There are a lot of ways to keep us fit,which ways do you lik
There are always some ways helping you deal with problems.句中