Instruction
Select the best answer to complete the sentence.
1. John is not used to -------- up late.
2. -------- this machine, we can do that difficult task.
3. By -------- the explanation, the speaker was able to finish his speech as scheduled.
4. Kota is totally different from -------- he was ten years ago.
5. There must be something -------- with the air conditioner.
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