Metals can ________ different shapes．

A．make into

B．make of

C．be made into

D．be made of

Hey! Be careful ________ the broken glass．

A．with

B．for

C．to

D．on

A long ladder is used for ________．

A．putting out a fire

B．opening the windows of a flat

C．opening the door a flat

D．rescuing people from a tall building

Careless people ________ cause hill fires．

A．must

B．can

C．have to

D．may

Breathing equipment is used for ________．

A．protect a fireman from smoke

B．protecting a fireman from smoke

C．stop a fireman from smoke

D．stopping a fireman to smoke

His legs ________ in the accident．

A．hurt

B．were injured

C．are injure

D．be injured

I have two sons．One is a doctor, ________ is a teacher．

A．another

B．other

C．the other

D．others

Factory workers use fire ________ water．

A．to boiling

B．for boil

C．to boil

D．boils

Ealy men ________ fire and stopped eating raw food．

A．find

B．founded

C．discovered

D．knew

He is very ________．He always makes mistakes．

A．careful

B．careless

C．carefully

D．cares