There will be a stamp show in the museum ______ we visited last week. [ ]

Tom pretended ______ it；but in fact，he knew it very well.

If Ann ______ time tomorrow, she will go to the party. [ ]

Look! The light is still on. Is Mr Wu working in his office？—No, it _____ be Mr Wu. He has gone to Nanjing for a meeting.

Look，it’s the most beautiful park___________ I’ve ever visited before.—–Really？How I wish to go to see it for myself!.