It’s nearly eight o’clock, and the manager ______walk in at any moment.

Let’s talk about the persons and the things ________ we can remember.

—Did you listen to the report last Friday?—Yes, it was about the shortage of immigrant workers. That was the first time I ________ about the subject.

ys, in some western countries, coffeeis ____ most popular drink, while tea comes ____ second

_____ a report from WWF, the global warming has greatly _______ wildlife on the earth,destroying or damaging the habitats they are living in.[ ]