The Atlantic hydrographic chart is being （） continuously; even as we speak submarines are charting the Arctic basin under the ice.

The speaker is the person who （） a speech transaction.A...

单项选择题The speaker is the person who （） a speech transaction.

We go out for dinner a couple of times a month. Sometim...

单项选择题We go out for dinner a couple of times a month. Sometimes we （） a movie.

It is possible to predict how much energy and water a b...

单项选择题It is possible to predict how much energy and water a building will consume, how much （） will be needed