I’ve been waiting here____ morning; they haven’t showed up yet.

_________ more and more forests damaged, some animals and plants are facing the danger of dying out.

Do you know if Jimmy to the party—I am not sure. But if he , I will give him a big surprise.

Whenever he was asked why he was late for class, he would answer carelessly, always _____the same thing. [ ]

Listen! Is it Linda singing in the next room –No, it __________ be her. She is still in Shanghai.