The newly published book , which refers ____ basic English grammar , is ____ only for beginners .

The local government has again ______ its words not to swallow the arable land for town building and the farmers can do nothing but swallow it. Which of the following is NOT OK?[ ]

More than 20 people ________ in traffic accidents ________ last May.

下列加点字的意义和用法相同的一项是（ ）

AIDS is saidthe biggest health challenge to both men and women in that area over thepast few years