题目内容
________ is no doubt that overwork and much worry caused his illness.
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________ a day goes by that I don’t receive dozens of junk mails in my email box.
Please trust me. Try this new method ________.
John said Mom was coming back tomorrow, not next week. If this is the ________, we’ll all have to clean the house thoroughly.
It is far too late for you to go out and play football, ________ the fact that it’s raining.
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