A．In Wales.B．In Scotland.C．In England.D．In North IslanW……

单项选择题______is the national epic of the Anglo-Saxons.

单项选择题On which of the following streets is the financial centre of the US located

单项选择题The word retrospective is made up of three morphemes. Which of them is a root

单项选择题______refers to words whose several meanings are related to one another. For example the verb open may mean unfold, expand, reveal, etc.

单项选择题A group of lines which are set off and form a division in a poem is called a______.