The lady in this photo _______ be over fifty! She looks so young!

Do you know ________ Jenny will go to Beijing—I’m not sure.She may go there by train.

Will you go to Tom’s birthday party tomorrow?—No，________invited to, for she is the last person I’d like to see

I wonder why Jack always gets good marks when he does only ______ the others

When I arrived at the station, I found the train _________ for passengers