We can't travel abroad without taking a passport.To travel abroad_英语解答

We can't travel abroad without taking a passport.To travel abroad we ___ ___ take a passport

人气：360 ℃　时间：2020-05-27 01:57:23

解答

have to,“不得不”的意思.有客观条件因素.而must虽然也有“不得不”的意思,但表示主观意愿.