Tom is _____ at English,but he does do ____ in Chinese.(good)

Tom is _____ at English,but he does do ____ in Chinese.(good)

第一个空是 good：be good at sth.
第二个空是 well:do well in sth.

good well

good
well
be good at...= do well in...擅长...

good
well
都是擅长的意思