Umcle Wang is only 35 years old at that time .找出错误并改正
问题描述：
Umcle Wang is only 35 years old at that time .找出错误并改正
答
umcle错，改uncle
is错，改was
答
was
答
is 改成 was
因为是过去时at that time
答
Umcle Wang is only 35 years old at that time.
Umcle-Uncle
is-was
at that time：在那时是过去时态