Which of the following sentences uses an apostrophe correctly?

Tom can't come this weekend; he said hes going on holiday.

Tom cant come this weekend; he said he's going on holiday.

Tom' cant come this weekend; he' said he's going on holiday.

Tom can't come this weekend; he said he's going on holiday.

1 answer

The sentence that uses an apostrophe correctly is:

Tom can't come this weekend; he said he's going on holiday.