Instruction

Select the best answer to complete the sentence.

1. Please put on your coat -------- to catch a cold.

2. Passengers -------- to Japan need to proceed to gate3.

3. The world is -------- with the challenge of protecting the environment.

4. Due to a rise in flour prices, it doesn’t seem -------- to reduce costs in the bread industry.

5. We had hardly arrived at the station -------- the train left.

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