Modal verbs

1.

1 point

It's possible that he understands Chinese.
He .................................. Chinese

2.

1 point

We bought the cake but found out later on that it wasn't necessary.
We ........................................ the cake.

3.

1 point

Talking during the test is forbidden.
You................. during the test.

4.

1 point

I think it's a good idea for you to go.
You................. go.

5.

1 point

It's possible that he bought the flowers.
He .............................. the flowers.

6.

1 point

I'm sure he didn't write the letter.
He ............................ the letter.

7.

1 point

It was a bad idea to invite Sally.
We .............................. Sally.

8.

1 point

I'm sure he doesn't know it.
He............... it.

9.

1 point

I'm sure he saw you.
He ............... you.

10.

1 point

It was not necessary for us to get up early because we knew the lesson would start later.
We ...................................... early.

11.

1 point

The tickets are free, it's not necessary to pay for them.
You ................................................ for the tickets.