Modal verbs to expressing probability

My grandmother's canary _____ be hungry, we weren't at home yesterday.

• Must

• can't

• Must have

• Can't have

Your dog ______ enjoyed the ride, he barked all the way

• Must have

• Can´t

• Must

• Can't have

The monkey ____ climbing the tree to catch the mango.

• Must have

• Can´t have

• Must be

• can´t

The sparrow ____ singing , it seems that it got sick.

• Must be

• Must have

• Can´t be

• can´t have

The dolphin is jumping a lot, he ____ been happy

• Must be

• can´t be

• Can´t have

• Must have

Jhon ____ caught that fish, he's very weak.

• Must be

• Can't be

• Must have

• Can´t have

That hen _____laying an egg, it's very noisy.

• Can´t be

• Must have

• Must be

• Can´t have

The elephant _____ in the mud, i just saw him with his mother.

• Can´t be

• Can´t have

• Must have

• Must

Manatees _______ Swam miles to get to that place.

• Must be

• Can't have

• Can't be

• Must have

The donkey _____ carrying so many baskets, it will be exhausted.

• Can´t be

• Can´t have

• Must be

• Must have