1.--- were on a trip to Canada --- trip: usually short journey, esp. for pleasure (通常指短途的)行走，旅行（尤指娱乐性的） 与trip搭配的主要动词和介词：

海滨之行 __________________ 前往巴黎的蜜月之旅 __________________________ 他出差在外。He is _____________________. 我父亲下礼拜要到纽约去。 My father will _______________________ next week.

a trip to the seaside

a honeymoon trip to Paris

on a business trip

make a trip to New York

be /go on a trip to make/take a trip to