问题
选择题
You can only be sure of ________ you have at present; you cannot be sure of something ________ you might get in the future.
A．that; what
B．what; /
C．which; that
D．/; that
答案
答案：B
B [第一个空填what，引导宾语从句；第二个空的定语从句引导词作宾语，可省略。]