问题
选择题
is known to us all is the old scientist, for whom life was hard in the
past, still works very hard in his eighties.
A．What; what
B．What; that
C．That; what
D．As; that
答案
答案：B
考查名词性从句。第一空是主语从句，缺少主语，所以用what，第二空是表语从句，由that引导，所以选B。