单项选择题The bank clerk listened carefully _______ he could discover exactly what the client wanted.A.in case thatB.now thatC.so thatD.provided that
单项选择题The man we followed suddenly stopped and looked as if he () not sure whether he was going in the right direction.A. beB. will beC. isD. was
未分类题The new mayor must deal with many()problems.A. superficialB. complexC. goodD. happy
未分类题The postal () is very unreliable in this country because postmen are constantly on strike.A. informationB. serviceC. managementD. protection
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