To teach a foreign language well we must divide

The first textbook ______ for teaching English as a foreign language came out in the 16th

The first textbook ______ for teaching English as a foreign language came out in the 18th

The first textbook ______ for teaching as a foreign language came out in the 16th century.

To master a foreign language requires hard work, so you______study too hard.A．shouldB．must

One must______for the fact that they are having to converse in a foreign language.A．tolera

They are trying to find out whether there is something about the way we teach language to