—Look! The man at the gate ________ be our teacher. He is always standing there every morning.—No, it ________ be him. He is having a meeting in the office now.
My father says he has no time to ________ newspapers in his office.
Millie enjoys ________ with her friends on Wechat at the weekends.
Look ! There ______some interesting books on the desk.
—Does your mother often go shopping at weekends?—Yes, she ______.
Millie is very tall but sits ___________ me. So I can’t see the blackboard.