摘要： keep order
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Keep your passwords safe: Most on-line sites ________ a user name and password before placing an order.
- A.suggest
- B.request
- C.require
- D.ask
Keep the little plans in the shade ________ the sun doesn't burn them.
- A.in order to
- B.as a result
- C.so that
- D.to stop
_____ keep the insects out, she shut the window.
[ ]
A. So as to
B. In order that
C. In order to
D. For
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B. In order that
C. In order to
D. For