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【題目】If you want to know _______what the word means,you should look it up in a dictionary.

【題目】We should protect our eyes. Sometimes we don’t realize how important they are_____we become poor in eyesight.

【題目】—Excuse me, could you tell me________?

【題目】—You did so well in the English exam. How do you study English?

【題目】—I think learning English well _______time and effort.

【題目】—The host city of the 2022 Winter Olympics is Beijing.

【題目】—China is ______Asian country with_______long history.

【題目】If you exercise every day, you will form a good habit by degrees. And finally, you will make it.

【題目】When we see any rubbish lying on the ground, we should _______.

【題目】Tom is an excellent student. He always stays ＿＿＿ of other students in daily study.