1) I ______ camped under the stars. a) have b) has 2) They ______ explored a cave on their last trip. a) have b) has 3) She ______ climbed a tree before. a) has b) have 4) He ______ never kayaked down a river. a) has b) have 5) We ______ looked for fossils in the mountains. a) have b) has 6) Tom ______ picked wild fruit many times. a) has b) have 7) You ______ played in the snow, right? a) has b) have 8) My brother ______ recorded birdsong in the forest. a) has b) have 9) The children ______ tracked wild animals during their hike. a) have b) has 10) Emily ______ always wanted to camp under the stars. a) has b) have 11) I ______ never seen a fossil in real life. a) have b) has 12) They ______ kayaked on that river twice. a) have b) has 13) Lucas ______ tried to climb a very tall tree. a) has b) have 14) We ______ found wild berries while hiking. a) have b) has 15) My parents ______ told me stories about their adventures in the wild. a) have b) has 16) I ______ heard that exploring caves can be dangerous. a) have b) has

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