【英语】高一英语语法填空专项训练100(附答案)及解析一、语法填空1阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 A hotel chain is employing human bed warmers to help guests get a good nights sleep. _ (dress) in special all-in-one sleeping suits, the walking electric blankets are sent to warm the beds of guests staying at the Holiday Inn _ they get under the covers. Dr Chris Idzikowski, _ (direct) of the Edinburgh Sleep Centre, said the idea could help people get off to sleep. He _ (explain) th
