根据英文释义写出单词

________ a simple chemical substance that is found in water, and also exists as a gas which is lighter than air

根据英文释义写出单词

________ something that gives you advantages or improves your life in some way

根据英文释义写出单词

________ a quality or power that belongs naturally to something

同义句改写

Mary is the tallest girl in her class.

Mary is ________ than ________ other girl in her class.

同义句改写

Their football team seems to win the game.

________ ________ that their football team will win the game.

同义句改写

They like Chinese food better than Japanese food.

They ________ Chinese food ________ Japanese food.

同义句改写

The boy is so young that he can't dress himself.

The boy is ________ young ________ dress himself.

同义句改写

However hard it is, we'll never give up.

________ ________ how hard it is, we'll never give up.

用适当的介词或副词填空

What do you usually feed your cat ________?

用适当的介词或副词填空

Look out! The car nearly knocked you ________.