I. Choose the correct word to fill in the blank.
looking at; may; shouldn’t; climbing; break; doing;
Teacher: Look. What are these children doing, class?
Girl: They're (1) _______ the apples on the tree.
Teacher: What is this boy (2)_______?
Boy: He's (3) _______ the apple tree.
Teacher: Should he do that?
Girl: No, he shouldn't.
Teacher: Why (4) _______ he climb the tree?
Boy: Because he (5) _______ fall and (6) _______ his leg.
looking at - doing - climbing - shouldn't - may - break