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【題目】It's polite to avoid making noise ______ you 're eating.

【題目】Wait a moment! He ______ the piano in the room.

【題目】Tom looks happy because he ______ well in the English exam.

【題目】Bill is always ______, and he is willing to do shopping for the olds.

【題目】Lucy has won No. 1 in the 100-meter run, and she hopes to break her own ______ next year.

【題目】Reading in bed is bad ______ your eyes.

【題目】Bruce ______ watches TV or listens to the radio, so he knows nothing about it.

【題目】In order to keep healthy, we should eat ______ vegetables and ______ meat.

【題目】According to the report, ______ half of the students sleep late at weekends.

【題目】This year _____ number of students in my school _______ 1,200.