问题
选择题
The boy dived into the water and after ___ seemed to be a long time, he came up again.
A．what
B．that
C．it
D．which
答案
答案：A
句中after是介词，所以后接宾语从句。
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The boy dived into the water and after ___ seemed to be a long time, he came up again.
A．what
B．that
C．it
D．which
答案：A
句中after是介词，所以后接宾语从句。