xcuse me,but I couldn’t help noticingyour necklace —________

Do you have a new watch— No, I _________ .

The Science Museum, ______ we visited during a recent trip to Britain, is one of London’s tourist attractions.

80.It was not until 1920 ______ regularradio broadcasts began.

People around the country were excited __________ the astronauts came back to the earth safely