【题目】_______ to a task calls for perseverance and concentration, if you wish for the final success.

【题目】— Have you seen the cell phone I left here just now?

【题目】Ms Shen is a very enthusiastic woman,in whose class we speak a lot and have fun.So I don't think I will be bin Ms Shen's class.

【题目】Jack decided to choose a different ________ and teach history through storytelling.

【题目】Frank published a paper in the newspaper, ________ he described a new technique in detail.

【题目】Most of us really appreciate Mrs Chen because her teaching is so well oand clear.

【题目】One night,at about midnight,I watched the night sky for about an hour with the stars shining like d.

【题目】He usually chis son who is in college now by telephone.