填空题

Proofread the given passage on ANSWER SHEET TWO as instructed.
ANSWER SHEET TWO
The passage contains TEN errors Each indicated line contains a maximum of ONE error. In each case, only ONE word is involved. You should proofread the passage and correct it in the following way:
For a wrong word, underline the wrong word and write the correct one in the blank provided at the end of the line.
For a missing word, mark the position of the missing word with a "∧" sign and write the word you believe to be missing in the blank provided at the end of the line.
For an unnecessary word, cross the unnecessary word with a slash "—’ and put the word in the blank provided at the end of the line.
Working-class families in the United States are usually nuclear, and
many studies indicate that working-class couples marry for love, not
for money. Upper-class couples may marry for love, but their commitment
of love is sometimes compromised by the recognition of their marriage (1) ______
as a way to preserve their class identity. Middle-class couples may also
marry for love, but the overridden task of middle-class families is also (2) ______
an-economic thing—to enhance the earning power of the breadwinner. (3) ______
Of course, working-class people are also affected by the economic
realities for their families must operate like economic units as well. (4) ______
However, the economic tasks of families are more a part of their dreams (5) ______
about marriage than they are a part of the reality of their married life.
Indeed, to many a working-class couples, love provides a way to escape (6) ______
from the difficulties of their parents’ home and starts their own family life. (7) ______
Another distinctive feature of working-class families is the majority (8) ______
of them have limited choices about the work available to them. Their
"choices’ are often the "leftovers" in the job market. People from working-class
families do seek serf-esteem and personal confirmation, and they come (9) ______
to their jobs full of hopes. However, given the way which production (10) ______
and consumption are organized in advancing societies like the U.S.,
members of the working-class often experience exploitation in struggling
at jobs that may be less meaningful.