— Hello, Sandy. This is Jack. What are you doing?— I’m watching a match. It started at 7 p.m. and _____ on for another half an hour.

Let’s go climbing if it _________ tomorrow.

 The Olympic Games _____ in London in 2012. I hear it _____ in different countries every four years.

—What ________ your brother ______ last weekend?—He visited his friends.

People pay more attention to protecting environment. There _________ less pollution in the future.