The river ________ (become) dirty since the paper factory was opened up.

i hope i can swim in the river alone.(改为同义句） i hope_______ ________ in the river alone. they warned him not to swim in the river(保持原意不变) they warned________ ________ in the river the River the~river~ the river Yellow river is the second ________ (long) river in china.用最高级还是原级啊?糊涂了…… It is wrong of them to ________ dirty water into the river or the lake. It is wrong of them to ________ dirty water into the river or the lake. Are these words very difficult ________ (remember)?Do the children __________(swim) in the river? The river ________ (become) dirty since the paper factory was opened up. Waste water can't ________(pour) into the river.中填什么? Look!The peopie ________(awim) in yhe river year括号里填什么是swim The Yellow River is ________ river in China.A.second longest B.twice longer C.the second longest D.the twice longest So far the construction of the two new bridges over the river ________..haveSo far the construction of the two new bridges over the river ________.A.have been completed B.has been completed he swims in the river every day.(用he swims in the river every day.(用now替换every day改写句子） he ________ _________ in the river now. the River of the the river huangpu 还是the huangpu river? The river runs across the big river