英语的句型转换(每空一词）

John is unhappy because he failed in the English exam.(改为同义句）
John is unhappy because he _didn"t_____ _pass_____ the English exam.
I'm upset and don't know what I should do.(改为简单句）
I'm upset and don't know _what___ _to____ _do____.
Emma likes this jacket.Her sister also likes this jacket.(合并为一句)
Emma likes _this____ jacket __so____ __does____her sister.
Don't be angry with your son.I think he can do better next time.（改为同义句）
Don't __get___ _angry____ __with____ your son.I think he can do better next time.
I think traveling by air is the best.(改为否定句）
I ___don"t__ _think_____ traveling by air __is____ the best.