It's often warm____the south _____winter

It's often warm____the south _____winter it is -s-------in qingdao.it often snows here. It often snow here.这句话对吗?it often snows here.为什么snow上要加s啊? It's often rainy与It often rains 的区别.他们是不是意思不同? 是it often...还是it's often.如果是it's often.那可不可以we are often...为什么|?那为什么这句话是the weather's often...而不是the weather often..... It's often cold in December,January and February.often 可以放在句尾么 It's cold in December,January and February often often不是副词么 修改病句：It’s hot and often rains in summer. It's often cool and------?-----in autumn.--i--d-- it's often __(snow)in winter here .---Does it s( )in winter in Toronto?--Yes ,quite often. it's often rainy 的同义词组是什么捏? it's often said that many hands make light it's very often语法有没有错 it's often cold in summer in wuhan是否正确 do you often p_________English?It's good for you . it often rains和it often It often _____in Moscow and now it's _______应该怎么填、后一个是raining、前一个填rainy还是rains it's often ________（rain）in summer注意是it's It‘s very sour. It is often yellow.What is it?百度知道要快,拜托