题目内容

—I may go to the market this afternoon.—Could you please buy some fruit for me________you are there?

A. since
B. If
C. while
D. as

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Theengineers aresobusythattheyhavezerotimeforoutdoorsportsactivities,_______theyhavetheinterest.

A. wherever
B. Whenever
C. evenif
D. asif

The girl had hardly rung the bell _____ the door was opened suddenly, and her friend rushed out to greet her.

A. before
B. until
C. as
D. since

环境是由众多因素交错而成的整体,主要分为1,2,3三4个大类。

组织内部环境主要包括1和2。