Choose and fill.（选词填空）
(Whose, longer, runs, Who, better, good)
1. Who sings _________ than Tim?
2. Are you ______ at it?
3. _________ ruler is long?
4. Whose hair is ____________ than Lily’s?
5. Amy ____________ faster than Lily.
6. _________ is shorter than Lily?

Mr. Thomas is the ______________ of our teachers.(    )

A．tall

B．more tall

C．tallest

It is one of the ______ towers ______ the world. (   )

A．tallest: in

B．tallest; on

C．tall; in

D．tall; on

He’s a year _________than I am. (    )

A．younger

B．young

C．the younger

It’s summer now. The weather is getting __________. (   )

A．higher and higher	B．lower and lower
C．hotter and hotter	D．colder and colder