1) In the past, lions …. common in many parts of the world. a) were b) once c) when d) only 2) Vegetables are an excellent source …. vitamins. a) have b) of c) where d) contain 3) By far the most noticiable blemishes on the surface of the Sun .... sunspots. a) are b) the c) that are d) in the 4) The Kvichak River of Bristol Bay, Alaska, is .... of the world's largest salmon producing systems. a) first b) the most important c) where there is d) one 5) .... poor observers of their child's behavior so deviant behavior reaches unmanageable proportions. a) Parents that b) Parents c) When parents d) If parents

TOEFL TEST - Structure and Written Expression

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