题目内容
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
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题目内容
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