Aplicația este accesibilă de pe ecrane late

Have you ever ______ to a planet museum?
A: been
B: go
C: went
D: be
I have never _______ plastic into the sea.
A: throw
B: threw
C: thrown
D: threwn
She has _______ many books about nature.
A: reads
B: reading
C: readed
D: read
We have never _______ a glacier.
A: seed
B: saw
C: seen
D: see
They have ________ the lights to save energy.
A: turn off
B: turned
C: turned off
D: turning off
Have you ever ________ animals in danger?
A: helping
B: are helping
C: help
D: helped