(造句)try to explain / in the way / who study the human mind / that they do / doctors / why peoplebehave

(造句)has prevented me / that this difficult task / to your letter / I am sorry / from sending an earlierreply

(造句)giving your advice / what we can do / our foreign business management / would you mind / on/ to improve

(造句)that the climate / by air pollution / by some scientists/ may be affected / it is believed / of theentire earth

(修改错误的标点符号)I wonder how you will solve the problem?

(修改错误的标点符号)Mary became an engineer when she was twenty five.

(修改错误的标点符号)Mike didn't study physics hard, therefore, he failed the final exam.

(修改错误的标点符号)No I didn't laugh at her," said the boy.

(修改错误的标点符号)You need to improve your English skills in all respects, listening, speaking, reading, andwriting.

(修改错误的标点符号)Knowing it might rain I took an umbrella this morning.