It is the third time that she has won the race, _______has surprised us all.

There’s somebody at the door. Who ______ it be Is it the postman —No, it ______ be him. It’s just seven o’clock. It’s too early.

He likes low-carbon life. He lives in the house ________ he built himself out of trash.

Enthusiastic fans would rather they________ the super star at the airport tomorrow morning.

He didn’t receive any higher education in the past but now he is the man in our team.