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
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
B