1. The Hospital has _____ a refund to a patient after she overpaid her medical bill.
(A) booked (B) launched (C) withdrew (D) issued
2. _____ in the heart of downtown, Breeze Hotel is close to the waterfront pier and cruise ship terminal.
(A) Locating (B) Located (C) On location (D) To locate
3.All customers _____ on Grand Central Line must wear a surgical mask both within the stations and on the trains.
(A) traveling (B) to travel (C) travels (D) have traveled
2.【答案】(B)，坐落於be located in +地點，使用被動句型。分詞構句，省略be動詞。
3.【答案】(A)，原句為All customers who travel on ...，省略關係代名詞who，後面動詞主動改為v-ing。