Is that man Mr Hu?—That ______ be Mr Hu. Because he has gone to Japan with his wife.

My father was born _____September 20th,1970. [ ]

What do you want to do for vacation?——I_____my grandmother.

The windows are broken and need to be repaired.— I think so. They can hardly _____ the cold now.

When I went to say goodbye to Ann, she ______ the piano.