Scientists say when we catch cold, __. A.taking medicine B.seeing a doctor C.leaving it
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Tom writes as __ as her brother. A.clear B.more clear C.clearly D.most clearly
The bread and butter served for breakfast. A.are B.is C.have D.had been
请在第____处填上正确答案。 A.makes B.produces C.works D.does
请在第____处填上正确答案。 A.or B.else C.and D.but