题目内容

______ Ms. Wang reached the post-office, she discovered she had left the letter at home.

A. Just as
Because
C. As long as
D. When as

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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

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

Although
B. When
C. Until
D. Ever since

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

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

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