Instruction

Select the best answer to complete the sentence.

1. Thirty percent of -------- of this business trade show in Chicago make a purchase within one year.

2. Mr. Curtis denies -------- a law.

3. You shouldn’t eat the food to -------- you are allergic.

4. Mr. Beck's -------- knowledge about engineering and his remarkable problem-solving abilities should be respected.

5. Kids' bad habits once -------- hardly be removed.

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