Commercial letters of credit are often used^(A) to finance export^(B) trade, but them^(C) can have other uses^(D).

When children experience^(A) too much^(B) frustration, its^(C) behavior ceases^(D) to be integrated.

On March 30, 1981, President Reagan was shot^(A) as^(B) his^(C) was leaving^(D) a Washington hotel.

Although the destruction that it causes^(A) is often terrible, cyclones benefit^(B) a much wider^(C) belt than they^(D) devastate.

President Andrew Jackson had an official^(A) cabinet, but him^(B) preferred^(C) the advice of his^(D) informal advisors, the Kitchen Cabinet,

After Clarence Day's book^(A) Life with Father was rewritten^(B) as a play, they^(C) ran for six years^(D) on Broadway.

Almost^(A) half of the^(B) Pilgrims did not survive theirs^(C) first^(D) winter in the New World.

There was^(A) no indication^(B) from the Senate that he^(C) would agree with the decision made^(D) in the House.

A baby learns the meanings of the words as they^(A) are spoken by others^(B) and later^(C) uses him^(D) in sentences.