Cambridge Flyers: Verb forms

They have also lost their legs and they ___ live out of water now.

• weren't

• haven't

• can't

People ___ buy things before they get on the plane.

• can

• are

• have

A lot of people ___ in airports.

• works

• working

• work

Bats don't use their eyes ___ find their way.

• for

• to

• by

Octopuses can ___ new things and open bottles.

• learn

• learning

• learned

Swans are clever and remember people who have ___ kind or unkind to them.

• be

• been

• being

A swan finds underwater plants by ___ its long neck deep into the water and its tail up into the air.

• puts

• put

• putting

Some clever people have also ___ kites to learn more about the weather.

• use

• used

• using

They put special cameras on kites to help us find out about places that are too difficult or dangerous to___on the ground.

• explore

• exploring

• explored

The first x-ray that he ___was of his wife's hands.

• took

• take

• taken