介词 OVER?The workers have to yell to be heard over the din of the engines.这个句子中为什么要用介词over

介词 OVER?The workers have to yell to be heard over the din of the engines.这个句子中为什么要用介词over The workers will build a new bridge over the river next year.的被动语态 Did the boss make workers work for over 12 hours every day?的同义句 The workers wore glasses over their eyes to keep them____?A.saveB.safeC.safelyD.safly These cars are made()the workers () shanghai用适当的介词填空 All the workers are working,( ) it's very dark用适当的介词或连词填空 It took the workers over two year to build this bridge .变同义句：变同义句：The workers( )( )( )two years ( ) this bridge. talk over和什么介词连用如：talk the matter over ____ (要填的介词) a friendly way . The greedy boss made his workers work for over 18 hours a day without extre payment.可以改为：The workers __ __ __ __for over 18 hours a day by the greedy boss without extra payment. the blue sky over me介词over对吗,不对的话,那是above吗,或其他. 填介词they get over twenty letters ________ the readers every day填介词并翻译 为什么这边用over?over在这边是介词还是副词?为什么呢?slide away over the ice 选择The workers are made( ) over ten hours a day.work?to work?worked?working?选哪个?为什么? 翻译：工人们在河上又架了一座桥 Workers built a ____ _ over the river The workers could not find the manager anywhere in the factoryThe army engineers ang soldiers have buitt a bridge over the riverThe police will surely arrest the thieves Over the last 200 years,over harf () the trees on Earth have been cut down,填介词. the workers are building a bridge over the river（该被动）A bridge ———— ———— ———— ———— the workers 1.There are four factories in our institute,_____.A.with each having over 100 workers B.each having over 100 workersC.which there are over 100 workers D.with each that has over 100 workers2.He wasn't asked to take on the charmanship of the society ,_