SI ENG G To Be

I can't talk now, I _____ busy!

• 're

• 'm

• 's

We _____ students.

• isn't

• no are

• aren't

_____ at work today?

• Are you

• You're are

• You are

Yes, I _____.

• are

• am

• 'm

_____ that a good book?

• It's

• Are

• Is

No, it _____.

• not

• aren't

• isn't

Where _____ the toilets, please?

• be

• are

• is

They _____ upstairs, on the left.

• 're

• 're are

• 's

When _____ ?

• is the next train

• the next train is

• be the next train

_____ in ten minutes.

• It

• Is

• It's