The policeman explained to us________to get to the airport.
A.how
B.how can we
C.how can
D.how we can

Hurry up! She’s cut herself. It bleeds quite badly.
A.She’s
B.herself
C.bleeds
D.quite badly

My computer doesn’t work. I think that it is broke.
A.computer
B.doesn’t
C.think that
D.is broke

The teacher is telling the pupils what to use the new equipment.
A.The teacher
B.is telling
C.what to use
D.equipment

____________(26)
A.be used
B.is used
C.be using
D.to be used

____________(27)
A.the earth
B.the planet
C.the sun
D.the moon

____________(28)
A.yards
B.roofs
C.gardens
D.doors

____________(29)
A.is
B.be
C.are
D.was

Unless we protect the environment, our life will be badly affected.
A.If we protect the environment, our life will be badly affected.
B.If we don’t protect the environment, our life will be badly affected.
C.If we don’t protect the environment, our life won’t be badly affected.
D.If our life is badly affected, we will protect the environment.

A.cleaned
B.played
C.used
D.hoped