This .................Jack's wallet, because his is brown and this is black.
can't be
15
He's seen this film ten times. He ...................love it.
must
15
It's unusual that Beth hasn't come to school yet. She ..........................be well, or her bus is just late.
may not/might not
15
I ..................go to the party tomorrow, but I'm not sure. I hope my parents let me.
may/might/could
15
She ...................have a lot of money, because she spends a fortune on clothes.
must
15
He.........play the guitar very well, because nobody wants to listen to him.
can't
15
It.........................be really hard to become a millionaire, because not a lot of people can manage it.
must
15
My parents.................lend me some money or they ....................... i don't know, because I have never asked them before.
may/may not
might/might not
15
A: Did you talk to Jane today? I called her ten times, but her phone wasn't working.
B: She............... be at the mountains, where there's no reception.
might/may/could
15
Who's that tall guy next to Jack? It ......................be Tom, I have never seen him wearing pink.
can't
15
If you hurry, you ....................... talk to Mr. Jones about your grade. He hasn't left the school building yet.