单项选择题
A．originated B．speculated C．generated D．manufactured
With prices （）so much, it is difficult for the school t...
单项选择题With prices （）so much, it is difficult for the school to plan a budget.
A．vibrating B．fluctuating C．fluttering D．swinging
Many types of rock are （）from volcanoes as solid, fragm...
单项选择题Many types of rock are （）from volcanoes as solid, fragmentary material.
A．flung B．propelled C．ejected D．injected
He raised his eyebrows and stuck his head forward and （...
单项选择题He raised his eyebrows and stuck his head forward and （）it in a single nod, a gesture boys used then for O. K. when they were pleased.
A．shrugged B．tugged C．jerked D．twisted
