We can see only one of the doors ______.

Not only my friends but also I _______ interested in football and Messi is our favorite star.

The father as well as his three children ____ skating on the frozen river every Sunday afternoon in winter.

Tom’s teacher and friend ____ Mr. Smith.

Across the Yangtze River ______ more than one bridge, the Nanjing Changjiang Bridge being the first one.