He's ________ than before since he went on a diet．

A．thick

B．thin

C．thiner

D．thinner

These days I hired two ________ in my house．

A．man servant

B．men servant

C．man servants

D．men servants

Which one can produce movement energy?

A．A radio．

B．A torch．

C．A fan．

D．A kettle．

Oh, my God! Our light is broken．Let's change the ________ quickly!

A．cable

B．bulb

C．wire

D．battery

Jane is a shy girl．She always ________ but seldom speaks．

A．grins

B．laughs

C．joke

D．smiles

Water changes ________ steam when it is boiled．

A．into

B．to

C．in

D．for

Water flows ________ our homes ________ pipes．

A．in, from

B．into, from

C．in, through

D．into, through

________ is 200 kilometres from here to the natural park．We have to go there by car．

A．There

B．This

C．It

D．The place

________ was late summer and the weather was very hot．

A．That

B．It

C．This

D．It's

Jim will give ________ a short talk tomorrow．

A．we

B．us

C．our

D．ours