I( )playing tennis when Tom and George arrived括号内该填A.had finished B.have finished C.finish D.finished哪个呢?不管怎样,
问题描述:
I( )playing tennis when Tom and George arrived
括号内该填
A.had finished B.have finished C.finish D.finished
哪个呢?
不管怎样,
答
第二个现在完成时太
答
a