... worked)40. This is Mr. Smith,…………………………son I’m studying with. (who, whom, whose, that)41. Tet is the most important………………… for Vietnamese people. (invention, decoration, celebration, preparation)42. ... for…………….Mother’s Day? (celebrating, celebration, celebrate, celebrated)52. We think that Mother’s Day should be celebrated………………….(nationhood, nation wide, nationality, nation)53. We are going to………….……the ... used)44. On the first and second nights of Passover, Jewish families eat a special….called the Seder. (gift, meal, drink, cake)45. The teacher suggests that we…………………harder on pronunciation. (worked,...