[ Gerund vs Infinitive ]
Antonio is pleased … us Portuguese.
A. to teach
B. teach
C. teaching

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Adverb Clauses › View__________ the weather is nice, we’ll go for a picnic.
A. Unless
B. After
C. While
D. if
Grammar › View
My sister (eat) all the chocolate before my parents (come) home.
A. ate, came
B. had eaten, came
C. ate, had come