不是,trying 才是
trying 的不同时态:
to be trying
is trying
has been trying
was trying
had been trying
will be trying
will have been trying
would have been trying
不是,trying 才是
trying 的不同时态:
to be trying
is trying
has been trying
was trying
had been trying
will be trying
will have been trying
would have been trying
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