Instruction

Select the best answer to complete the sentence.

1. John is not used to -------- up late.

2. I went to the library, -------- find it was closed.

3. The amount of each employee's bonus is decided -------- the basis of his/her performance.

4. Are you going to postpone -------- a questionaire on our customers?

5. John could not but -------- at the fun.

Your score is

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