Question

Which correctly uses or omits commas?
Al's mother cooks strange things. Thus when she invited me to stay for dinner, I said my parents were expecting me.
Al's mother cooks strange things. Thus, when she invited me to stay for dinner, I said my parents were expecting me.

Answer 1

B

Answer 2

The second sentence because normally after using a word such as "thus" there would usually be a comma after it. if there isn't, the sentence has the incorrect punctuation

Answer 3

B, otherwise, it would be read as a run-on sentence with the absence of a comma after 'thus'.