Instruction
Select the best answer to complete the sentence.
1. Most consumers judge which product is -------- quality, based on the price.
2. It is impossible -------- human beings to predict the earthquakes at present.
3. I was surprised to know that my brother can -------- an expensive car like that.
4. There is -------- what will happen to us tomorrow.
5. I'm looking forward to -------- from you very soon.
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