put a suitable preposition into each blank 1.liz went ...nha trang .... summer vacation 2.what are you thinking.....? 3.nam talked.....his friends....his recent vacation 4.they returned......hanoi last week 5.she made the blue dress......her daughter 6.the cap has a picture of a dolphin.....it 7.after the holiday they returned to hanoi....plane 8.they arrived home.....the evenig