사무영어비서 2급 · 2019년05월13일 · 49/80
49.Which is MOST proper expression for the below meaning?

1
You are cordially inviting to a demonstration of our new line of products in Wednesday, April 3.
2
You are cordially invited to a demonstration of our new line of products on Wednesday, April 3.정답
3
You are cordially inviting to a demonstration of our new line of products by Wednesday, April 3.
4
You are cordially invited to our new line of products of a demonstration in Wednesday, 3 April.