That voice is so loud! It ___ be a lion nearby.
must
can't
might
There are feathers on the ground. It ___ be a bird’s nest close by.
can't
could
Those animals are moving very slowly. They ___ be cheetahs.
can't
must
That big fin on the water ___ be a dolphin.
might
Can't
This animal is so small, it ............ be an elephant!
can’t
may
We have a cat in our home and we find there is fur on the sofa, so it ..........be dog.
must
can't
There’s honey all over the ground; a bear ___ have been here.
can't
must
Those wings are so large! It ___ be a small bird.
must
can't
These eggs are very small, so they ___ be from an eagle.
can't
Could
