They usually swim in the sea.(用now改写句子)

They usually swim in the sea.(用now改写句子) They can swim. They usually stay in water.(合并成一句话) Are they---------(swim)in the river now? They (swim;are swimming)in the river We usually _______（swim） in the water,填什么 Fish usually swim fast in the never为什么要用swim,而不是别的? In summer,the weather is usually very hot,and Ican swim in the sea. They spent time _____(swim) in the river. They can swim in the river.(改为否定句） NO,they are swim in the river.(写出问句) They often watch fish ___ in the fish tank.(swim) they swim in the lake.人称改为he They swim in the sea every day 用now形式 They had a swim in the river.改为现在完成时 Does he usually ()in summer?A swim B to swim B swimming选哪个?请回答原因, Fish usually( ) fast in the river.A swim B is swimming c is swim c swims 选哪个 look they're having fun ----( swim) in the river?为什么要填swimming 而不是to swim? In England,people can also have summer in winter,or have winter in summer.So in winter they can swim sometimes,and in summer sometimes they should take warm clothes.When you go to England,you will see that some English people usually take an umbrella