Instruction

Select the best answer to complete the sentence.

1. Crude oil and materials have risen -------- these days in addition to the increase in taxes.

2. All of our products -------- to the standards set by a group of specialists.

3. Tom is looking forward to the event because he -------- effort for the preparation.

4. Angela had to walk home from school yesterday, -------- she had missed the last bus.

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

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