Primary education in the US is compulsory.
A.selective
B.optional
C.required
D.free of charge

We left New York when I was six, so my recollections of it are rather faint.
A.explicable
B.unintelligible
C.clear
D.ambiguous

My first impression of her was her impassive face.
A.emotional
B.respectful
C.solid
D.fractious

She wrote me a vicious letter.
A.helpful
B.gently
C.dangerous
D.healthy

We are very grateful to Professor Humble for his generosity in donating this wonderful painting to the museum.
A.meanness
B.sympathy
C.gratitude
D.churlishness

He didn’t seem in the least concerned for her safety.
A.indifferent
B.ready
C.passionate
D.stolen

Fruit and vegetables grew in abundance on the island. The islanders even exported the surplus.
A.sufficiency
B.excess
C.large quantity
D.small quantity

The consequences of the typhoon were disastrous due to the lack of precautionary measures.
A.physical
B.severe
C.beneficial
D.damaging

Affluent families find it easier to support their children financially.
A.Wealthy
B.Well-off
C.Privileged
D.Impoverished

Synthetic products are made from chemicals or artificial substances.
A.natural
B.made by machine
C.man-made
D.unusual