help , cho 5 sao + tim + ctlhn II. Complete the sentences with the correct form of superlatives of the adjectives 1. Travelling by plane is _____ _____________ means of transportation. (safe) 2. February is month of the year. (short) 3. My brother is ____________ person in my family. He often throws his clothes everywhere (untidy) 4. Mount. Everest is mountain in the world. (high) 5. Grab motorbike is _________________ means of transportation in big cities. (convenient) 6. Russia is country in the world. (large)