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【題目】(2018秦皇島一模)Simon thinks the math question is difficult, ________ Lucy thinks it is easy.

【題目】(2018保定蓮池區二模) ________ it is very cold outside, we still do exercise every morning.

【題目】(2018張家口橋西區一模) I have much homework to do today, ________ I cannot play football with you.

【題目】Jack has learned more about teamwork ________ he joined the soccer team.

【題目】(2018襄陽改編) Be quick, ________ we'll fail to catch the school bus.

【題目】(2018百色改編) ________Wu Lan is still young, she can help her mother do some housework on weekends.

【題目】(2018青海改編) Learn more reading skills, ________ you'll be a good reader.

【題目】Some people won't realize the importance of their health u________ they lose it.

【題目】The story isn't hard to understand, b________ there are no new words in it.

【題目】T________ Edison failed many times, he didn't give up and succeeded in the end.