Thank you very much. -You are welcome. I was _____ glad to help.

Our Earth will be ________ if we go on cutting down millions of trees every year.

As we all know, regular exercise can be _____tohealth.A．suitable B．harmful C．absent D．beneficial D【解析】试题分析：考查形容词：

I intend to buy a present for my mother’s birthday, ________ at the proper price but of great value.

Paul never helps his mom_____ after his sister; he always makes her_____