Английский. помогите, очень легко для тех кто знает

измените предложения по образцу
обр. : Mary is older that John. Mary is as old as John. Mary is not so old as John.
1)London is ...(big)... Moscow.
2) This book is ...(interesting)... that book.
3)This test is ...(easy)... the last one.
4)These cars are ...(good)... those ones.
5)Russian is ...(difficult)... English.
6)The weather this winter is ...(bad)... the weather last winter