The Gray Wolf, a species reintroduced (A) into their native habitat (B) in Yellowstone National Park, has begun (C) to breed naturally (D) there.
A.reintroduced (A)
B.their native habitat (B)
C.has begun (C)
D.naturally (D)

A good artist like (A) a good engineer learns as (B) much from their (C) mistakes as from (D) successes.
A.like (A)
B.as (B)
C.their (C)
D.from (D)

Led by Daniel Webster (A), the Whig party was one of (B) the two major political powers (C) in the United States from 1834 and 1852 (D).
A.Daniel Webster (A)
B.one of (B)
C.political powers (C)
D.and 1852 (D)

Major advertising (A) companies have traditionally (B) volunteered its (C) time to public (D) service accounts.
A.advertising (A)
B.traditionally (B)
C.its (C)
D.to public (D)

He bought many (A) furniture (B) for her new apartment which (C) she has bought (D) recently.
A.many (A)
B.furniture (B)
C.which (C)
D.has bought (D)

No one but the experts was able to realize that the painting was an imitation. It greatly resembled the original.
A.It was obvious that only a person with great talent could fake a painting so successfully.
B.It was hard for ordinary people to judge between the fake painting and real one, but not for the experts.
C.The painting looked so much like the authentic that only the expers could tell it wasn’t genuine.
D.It was almost impossible for amateurs to realize that the painting was not authentic, though the experts could judge it quite easily.

He was suspected of giving away government secrets to the enemy. They have investigated him for days.
A.Suspecting of giving away government secrets to the enemy, he has investigated them for days.
B.Having suspected of giving away government secrets to the enemy, he has investigated them for days.
C.He had been investigated for days, suspected of giving away government secrets to the enemy.
D.Suspected of giving away government secrets to the enemy, he has been investigated for days

The burglar might come back. You’d better change all the locks.
A.The burglar will come back unless you change all the locks.
B.If you don’t change all the locks, the burglar could come back.
C.You’d better change all the locks in case the burglar comes back.
D.You’d better change all the locks or the burglar will come back.

We planned to visit Petronas Building in the afternoon. We could not afford the fee, however.
A.As planned, we could not afford the visit to Petronas Building in the afternoon because of the fee.
B.We visited Petronas Building in the afternoon though the fee was too high for us.
C.We are going to visit Petronas Building in the afternoon but the fee was too high for us.
D.The fee was, however, high enough for us to plan a visit to Petronas Building in the afternoon.

The wedding took place last Friday. Only members of the family were invited to it.
A.Only members of the family were invited to the wedding, which took place last Friday.
B.The wedding, where only members of the family were invited to, took place last Friday.
C.The wedding took place last Friday, when only members of the family were invited to.
D.The wedding, which only members of the family were invited to, took place last Friday.