“I REGRET ……….SO MUCH TROUBLE.” _ “ WELL. LET’S FORGET ALL ABOUT...

9. - DE THI THU DAI HOC MON ANH VA DAP AN
Tiếng Anh DE THI THU DAI HOC MON ANH VA DAP AN
9. “I regret ……….so much trouble.” _ “ Well. Let’s forget all about that.”A. to have caused B. caused C. to cause D. having caused