Put the verbs in bracket into the correct tense.
Tom Wilson is an explorer. He 1)......(be) to nearly every country in the world, but the most exciting time he 2).....(ever/have) was when he 3)......(go) to the Congo jungle. A magazine 4).....(ask) him to retrace the route of a famous explorer who 5).....(disappear) in the 1920's. As he 6)....(follow) a small river he got separated from his guides. He 7).....(go on) alone, hoping he 8)....(find) them, but instead he 9).....(encounter) a group of natives. He 10)......(stay) with them for several days and 11)......(find out) that a very old woman 12)......(actually/ meet) the famous explorer. She 13)......(know) how he 14)....(die). Tom 15).....(become) very friendly with the natives and mow he 16).....(plan) to go back and see them again. He is sure they 17)......(welcome) him back.