–Look! A man is cutting a tree on the moon.--It ______ be true. The teacher said there is no air on the moon.
Dick _____ in America, but he has been ______ Chinese food since he moved to China.
_________ it is!
–What about your interview _____ the famous writer? --Quite good. We’ve been friends and we keep in touch _____ each other by email.
–Why didn’t you say something, Jack? –Oh, sorry. I _____ messages on my phone.
He has been away from his hometown ________.