When I was tired of my work, I wouldmy belongings and go on a short trip.

______did the baby panda Xi Wang ______ when she was born— About 100 grams.

Hi, Johnson, any idea where Susan is?— It’s class time, so she in the classroom now.

It is said that a certain careless operation ____ the terrible fire in Shanghai in Nov.15.

here is less and less coal and oil,scientists are exploring new ways of making use of ______ energy, such assunlight, wind and water for power and fuel.