1. Many families are trying to …. by not eating in restaurants. economy
2. Henry wondered who had sent him that … email. mystery
1. Many families are trying to – by not eating in restaurants. economy 2. Henry wondered who had sent him that … email. mystery
By Eloise
1, economize (tiết kiệm)
Giải thích : Từ cần điền là một động từ
2, mysterious (khó hiểu)
Giải thích : Từ cần điền là một tính từ
1. Many families are trying to be economical by not eating in restaurants. (economy)
2. Henry wondered who had sent him that mysterious email. (mystery)