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.
Proper arrangement of classroom space is important to encouraging
interaction. Today’s corporations hire human engineering specialists
and spend a considerate number of time and money to make sure that (1) ______
the physical environments of buildings are fit for the activities of
heir inhabitants.
College classroom space, however, should be designed to (2) ______
encourage the activity of critical thinking. We are approaching to (3) ______
a new era, but step into almost any college classroom and you
step back on time at least a hundred years. Desks are normally in (4) ______
straight rows, so students can clearly see the teacher but not their (5) ______
classmates.
With a little imagination and effort, if desks are fixed to the floor, (6) ______
the teacher can correct this situation and create space what encourages (7) ______
interchanges among students. In small or standard-size classes, chairs and
desks can be arranged in various ways: circles, U-shapes, or semicircles.
The primary goal should be for everyone to see everyone else. Larger
classes, particularly those hold in lecture halls, unfortunately, allow much(8) ______
less flexibility.
Arrangement of the classroom should also make it easy to divide
students into small groups for problem-solving exercises. Small classes
with moving desks and tables present no problem. Even in large lecture (9) ______
halls, it is possible for students to mm around and form groups of four
to six. Breaking a class into small groups provides many opportunities (10) ______
for students to interact with each other.