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【題目】The factory is usually noisy, ________ it is pretty quiet today.

【題目】Help others, ________ you'll feel happier.

【題目】(2018保定競秀區二模) Last night I stayed up too late, ________ I'm really sleepy now.

【題目】(2018長春改編) Work hard and be patient, ________ your dream won't come true.

【題目】He kept going on his trip ________ he was very hungry and thirsty in the desert.

【題目】I didn't know the news ________ you told me. Thank you for telling me that.

【題目】Be more careful and more patient, ________ you will make fewer mistakes in the following experiments.

【題目】You can either email us ________ come to our office for your questions.

【題目】Tony used to be a quiet student, ________ now he is active in class.

【題目】Help others in need, ________ they will help you when you are in trouble.