Нужно поставить прилагательные в скобках в нужную степень сравнения. обратить внимание на правописание. 1) today the weather is ( than on monday. 2) summer is ( than spring. 3) who is (happy) than my brother. 4) a sea is ( a river.

1) Today the weather is  hotter  than on Monday.
2) Summer is warmer than spring.
3) Who is happier than my brother?
4) A sea is wider than a river.