a. Just as b. Because c. As long as d. When as

43. The first step in preparing such a program is to draw a flow chart, ______ are shown opposite.

a. two examples of it b. two examples of which

c. whose two example d. which two examples

44. ______ the world began, nations have had difficulty in keeping peace with their neighbors.

a. Although b. When c. Until d. Ever since

45. ______ difficulties we may come across, we will help one another to get over them.

a. Whatever b. Whichever c. However d. What

46. He went to work so late ______ the manager had to send for him again before he arrived.

a. as b. that c. for d. when

47. ______ you return those books to the library immediately you will have to pay a fine.

a. Until b. If c. Unless d. Provided

48. The rose may grow as a low bush or as a tree, depending on ______.

a. what it is trimmed b. how it trimmed c. that is trimmed d. how it is trimmed

49. Group work is a method of teaching ______ tasks and activities are carried out by small groups of pupils.

a. which b. that c. for which d. in that

50. Einstein’s theory of relativity seemed hard to believe at the time ______.

a. when he first introduced b. that he first introduced it

c. he first introduced d. which he first introduced it

51. Now we may be able to say ______ between music and noise or just sound.

a. what is the difference b. the difference is what

【连词和从句配套练习及答案】相关文章：

★ 英语中冠词用法练习及答案

★ 初中非谓语动词巩固练习100题

★ 初中英语代词练习题

★ 英语中代词的用法及练习

★ 中英语直接引语和间接引语讲解与练习

★ 英语宾语从句专题复习

★ 初中英语国际标准音标练习

★ 高中英语祈使句 否定句 感叹句用法

★ 小学英语反意疑问句练习题及答案

★ 中考考前练习