might be, must be, can't be

i don't know how Maria got here. She ______ on the bus

• must be

• can't be

• might be

he just woke up at 07.00 this morning. he _____ late for school

• must be

• can't be

• might be

Mermaid _______ real. no one has ever seen it

• must be

• can't be

• might be

no one has ever caught Loch Ness monster. so, it _____ real

• must be

• can't be

• might be

i forgot where i put my handphone. it ______ in the living room

• must be

• can't be

• might be

UFO _______ real. People have taken some pictures of it

• must be

• can't be

• might be

no one has ever met alien in person. it ______ just an imaginary

• must be

• can't be

• might be

the picture was blurry. it ______ a bird or a bat

• must be

• can't be

• might be

it _____ john's phone which is ringing because his is broken

• must be

• can't be

• might be

she adds too much sugar in her tea. it _____ be too sweet

• must be

• can't be

• might be