If you study hard , I’m sure you’ll get good ________.

Sandy, it’s really grateful for your help with my physics. —My pleasure. ____________.

It’stoo hot today. Please give abottle of orange.

— Mike, the phone is ringing. Do you want me to answer it?— No, sit still. ___________ .[ ]

Look! The man at the gate ____ be our headmaster. He is always standing there every morning.– No, it _____ be him. He is holding a meeting in the office now.