His father did ___help him set up a lab for himself .Athat he can to B .what he could to怎样理解呢

问题描述:

His father did ___help him set up a lab for himself .Athat he can to B .what he could to怎样理解呢

B他爸做了他能做的去帮他建个实验室.did 后面少了宾语,WHAT HE COULD 可以做为一个短语做宾语