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【題目】Mike ________ football since the fourth grade.

【題目】—Tom, hurry up! We ________ for you.

【題目】If you don't use your English, you ________ it.

【題目】Your health is ________ thing in your life.

【題目】David, you ________ take your umbrella. It is not raining.

【題目】I have to leave now, ________ I will be late for the meeting.

【題目】We often have a family meeting ________ Monday evenings.

【題目】—Dad, my computer doesn't work. May I use ________?

【題目】當爸爸不在家的時候，我們嘗試了戴維的游戲。

【題目】我們應該保護瀕危動物。