When ______ help, one often says “Thank you.” or “It’s kind of you.”
will it be he leaves the army?
is a fact that English is being accepted as an international language.
It is pretty well understoodcontrols the flow of carbon dioxide in and out the atmosphere today.
It was not until the beginning of the meeting he realized_I told him was the only possible way to deal with the problem.
--- We haven’t been to the Great Wall for ages. --- No, I don’t remember how many years ago I last visited it.