Instruction

Select the best answer to complete the sentence.

1. Please leave a window -------- till I come back home.

2. According to the research, persistent -------- of sleep has a negative influence on the metabolism.

3. Do you remember -------- to the circus when you were a child?

4. ------- the textbook, the Kamakura Shogunate was overthrown in 1333.

5. It goes -------- saying that cheating on the exam is not permitted.

Your score is

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