how some mammals came to live in the sea is not known,

how some mammals came to live in the sea is not known, ___D__ some mammals came to live in the sea is not known.[ ] A.Which B.Since C.Although D.How为什么不用which 选D 但选how是做known的宾语? can l have some sweets?cam l have somecan l have some sweets?cam l have some soup?翻译 How do you spell it Cam you spell it it's ___to learn how to play tennis.A.easily B.easy C.lazy2.Jim ___up at 6:30 this morning.A.get B.gets C.got D.gots3.My aunt is nurse.(对nurse提问)4.Cam I have ___bread? Sorry,you can't have___bread.There isn't___.A.any;some;some B.some;some;som Can you give me some advice 同义句 Cam you ()　() ()　（）　 me? I cam see some bees sleeping in the tree.1天 How about some tea CAM CAE cam是什么意思 cam 是什么意思? cam是什么意思 readnfo cam readnfo cam （共40题、总分40分）1.( ) some mammals came to live in the sea is not known (本题分 How about some tea为什么用some How about tasting some oranges? how to get some money