can't / could / may / might / must

She _____________ be the boss. She is the only person with her own office.

• must

• might

• can't

• may

Tags

CCSS.L.8.1B

CCSS.L.8.4A

CCSS.L.8.5C

CCSS.RL.8.4

They're coming this week but I don't know which day. They _____________ arrive tomorrow.

• must 
• might
• can't

Tags

CCSS.L.9-10.1B

CCSS.L.4.1C

I _____________ not pass the exam. I don't feel very confident.

• must

• might

• can't

• could

Tags

CCSS.L.8.1B

CCSS.L.8.1C

CCSS.L.8.5C

I've bought a lottery ticket. I _____________ become a millionaire!

• must

• might

• can't

• may not

Tags

CCSS.L.8.1C

CCSS.L.8.5C

CCSS.RI.8.4

CCSS.RL.8.4

My key's not in my pocket or on my desk so it _____________ be in the drawer.

• must
• might
• can't

Tags

CCSS.L.9-10.1B

CCSS.L.4.1C

Someone told me that Mark was in Mexico, but I saw him yesterday so Mark _____________ be abroad.

• must
• might
• can't

Tags

CCSS.L.9-10.1B

CCSS.L.4.1C

You got the job? That's great. You _____________ be delighted.

• must
• might
• can't

Tags

CCSS.L.9-10.1B

CCSS.L.4.1C

They told me to prepare the project by tomorrow but it's almost impossible to have it done so fast. I _____________ finish it by tomorrow if I stay at work all night, but I'm not sure.

• must

• might

• can't

Tags

CCSS.L.8.1B

CCSS.L.8.1C

CCSS.L.8.5C

I asked them to send the goods as soon as possible; we _____________ receive them by the end of the week if the post is fast.

• must
• might
• can't

Tags

CCSS.L.9-10.1B

CCSS.L.4.1C

This motorbike _____________ be on sale. Last week it was $500 more expensive.

• must

• might

• can't

• may

Tags

CCSS.L.8.1C

CCSS.L.8.5C