With one leg broken in that car accident, he cannot even walk, ____ run.
A、letaloneA
【句意】在车祸中，他的一条腿骨折，他连走路都不行，更不用说跑了。
【难点】letalone意为“更不必说”;nottomention意为“再加上”;thatistosay意为“也就是说”
HowI_____Icouldliveonthemoon.
As the pressure____, the liquid rock is forced up through channels in the resistant rock to the earth’s surface.
He arrived____ London ____ a cold winter night.
I am ____grateful for the many kindnesses you have shown my son.
Nowhere in nature is aluminum found free, owing to its always ____ with other elements, most commonly with oxygen.
