Comprehension Cloze 4, Vocabulary 5
Pollution, Contextual Clues and Collocation
Vocabulary Cloze 3
Text: Exploding Toads
Editing 4, Grammar Cloze 4
Types of Twins, The Scourge of Littering, Phrasal Verbs, Prepositions and Adverbs
Comprehension 4, Vocabulary 6
Tuning to Key Ideas, Narrative Text: What's Happening to Grandpa