单项选择题
A．more B．rather C．not so much D．not such
It is estimated that much of a teenager's time is spent...
单项选择题It is estimated that much of a teenager's time is spent()with friends.
A．to talk B．talking C．being talked D．having talked
He kept his head, otherwise the accident (). A．would ha...
单项选择题He kept his head, otherwise the accident ().
A．would happen B．happened C．would have happened D．happens
()bricks, workers press clay into blocks and bake them ...
单项选择题()bricks, workers press clay into blocks and bake them to the requisite hard.
A．Being made B．The making of C．To make D．Made
