1. 根据句意及汉语或首字母提示完成单词

①Ten yuan for a coat! That's too(便宜的).

②(工作的)hour is too long and it isn't good for health.

③ The books are too heavy. I can't(拿; 带)them.

④ Somewhere the(交通)is heavy in Beijing.

⑤What can we get from forests and(陆地)?