Why, I couldn’t get you on the phone this morning.–We _____ tennis in the yard when you called.

－He asked Tom, “Have you finished your homework？”－He asked Tom　　　　

In most western countries, on April Fool’s Day, people often play trick on each other; children especially have great fun.

Korea returned to China the remains of the Chinese soldiers killed in the Korean War,_______ the friendly ties between the two countries

The students are studying at home computers.