—How ________ is your ruler? (   )
—It's 20 centimetres.

A．long

B．longer

C．longest

The weather is very_____.  (  )

A．hottest

B．hot

C．warmer

判断下列句子是否正确，对的写“T”，错的写“F”，并将错误的地方找出来，并改正。
【小题1】A sperm whale is shorter than a killer whale in its length. （_______）________
【小题2】How taller are you? （_______）____________
【小题3】How long are your legs? （_______）____________
【小题4】I’m thin than you. （_______）____________
【小题5】I’m bigger and strong than you. （_______）____________

按要求写单词。
【小题1】well（比较级）______
【小题2】have（-i n g形式）______
【小题3】ride（-i n g形式）______
【小题4】go（反义词）______
【小题5】big（反义词）______

How ______ is your ruler? ( )

A．tall

B．long

C．longer