I can hear a voice speaking, but there's nobody here. ...

[ Modals of Probability ]

I can hear a voice speaking, but there’s nobody here. It ………………….. be that parrot!

A. must

B. can’t

Select your answer:

Random Topics:
Start vs. Begin Sit vs. Set Brake vs. Break Figurative Language Vocabulary 3rd Person Singular Compound Sentences Past and Past Continuous Comparisons Second Conditional

Other quiz:

Grammar › View

I __________ to music yesterday.

A. listen

B. listened

C. am listening

Mixed General Quiz › View

We __________ yesterday.

A.     cooked dinner

B.     baked a cake

C.     made some sandwiches

D.     baked cookies

How to use : Read the question carefully, then select one of the answers button.