Helen and Mary… ....................... for me for the past two hours.

The Food Science book was very short. It didn't have ...................... chapters.

Essam flew to Riyadh from Jeddah and then he…………….

I need to go to the bookstore. I don't have...... books for the Engineering course.

Alex: Is this Eric's car ? Will: Yes, it's.....................

Tom's car broke down, so he's ............... He didn’t know how to fix it himself.