科目： 来源：gzyy 题型：
| The scientists all over the world are trying their best to develop _____ energy, such as sunlight, wind and water for power and fuel. |
A. unique B. alternative C. primary D. instant |
科目： 来源：gzyy 题型：
| 一I really have no time to deal with my dirty clothes. Do you often have your clothes _____, Rose? — No. I wash them by myself. |
A. washed B. washing C. to be washed D. to wash |
科目： 来源：gzyy 题型：
| You are supposed to read your article carefully and get it polished _____ you submit it. |
A. until B. when C. before D. after |
科目： 来源：gzyy 题型：
| I am _____ whether he will come. |
A. unwilling B. unforgettable C. unusual D. uncertain |
科目： 来源：gzyy 题型：
| "China Daily", whose editorial office is in Beijing, also has _____ in all major cities in China. |
A. branches B. companies C. organizations D. businesses |
科目： 来源：gzyy 题型：
| "Sorry, sorry…", he whispered, _____ talking to himself. |
A. while B. even if C. as if D. when |
科目： 来源：gzyy 题型：
| Not a single word _____ when _____ about his late mother. |
A. he said, asked B. did he say, asked C. he said, asking D. did he say, asking |
科目： 来源：gzyy 题型：
| He came back late, _____ which time all the guests had already left. |
A. after B. by C. at D. during |
科目： 来源：gzyy 题型：
| It was in the garden of his old house _____ he grew up that he dug up a pot of gold. |
A. that B. where C. which D. what |
科目： 来源：gzyy 题型：
| A well-written composition _____ good choice of words and clear organization among other things. |
A. calls on B. calls up C. calls for D. calls off |
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