Speculating in the present and past - modal verbs

The lights are on in your friend’s house but she isn’t answering the door. 

She (a)   (watch / favourite / show). It’s on now. 

The lights are on in your friend’s house but she isn’t answering the door. 

She (a)   (sleep) now. It’s 7 p.m. and she never goes to bed before midnight.

You wake up in the middle of the night. You hear a strange noise.

It (a)   (be / burglar). All the doors and windows in the house are locked. 

You wake up in the middle of the night. You hear a strange noise.

My cat (a)   (run) up and down the stairs. He’s full of energy at night.

The witness who is answering the judge’s questions seems very nervous and he’s speaking very quietly.

He (a)   (feel / guilty).

The witness who is answering the judge’s questions seems very nervous and he’s speaking very quietly.

He (a)   (tell) truth. Otherwise, he wouldn’t be so nervous. 

You see a neighbour driving a very expensive car.

She (a)   (have / very good job) and a high salary.

You see a neighbour driving a very expensive car. 

This (a)   (be / she / car). I saw her this morning in a different car. 

Marta has not arrived yet. She ________ an accident.

• might have

• can have

• might have had

• could had had

Jose didn't submit the report. He _______ (experience) issues with the internet.

• could have experienced

• must have experience

• will experience

• might experienced