Mr Li looks often looks tired and worried — So he does. You see it’s not easy to such a big factory.

Both teams are among the most excellent. We mustn’t miss the ______ game.

ng Take Me Home, Country Roads has much to people, for few people can avoid getting caught up in its originally real country music．

In the past the children were made ______15 hours a day.

With his horse ____to the tree, the man had a rest in the shade.