12.It seemed as if all of a the animal had smelt danger in the air.A.suddenB.momentC.minuteD.once17.I walked the Seventh Avenue to catch a bus.A.untilB.as long asC.as far asD.till19.When hosts place dishes on the table,they will arrange the main course at the center with the other dishes placed around them.A.evenlyB.evenC.oddD.oddly 英语
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【答案】 12 A all of a sudden=suddenly 固定词组
17 C as far as有直到,远到的意思.我直到第七大道才赶上巴士
19 A 修饰placed ,需要副词
oddly 古怪地
evenly 整齐地,均匀地