135. If it _____ too much trouble， I'd love a cup of tea.
A. isn't
B. wasn't
C. weren't
D. hadn't been
136. If the fire alarm is sounded， all residents are requested to _____ in the courtyard.
A. converge
B. assemble
C. crowd
D. accumulate
137. If the United States had built more homes for poor people in 1995， the housing problems now in some parts of the country _____ so serious.
A. wouldn't be
B. wouldn't have been
C. will not be
D. would have not been
138. If Tom wins tomorrow， he _____ thirty races in the past four years.
A. will win
B. has won
C. would have won
D. will have won
139. If we believe something is good and true we should _____ to it.
A. hold up
B. keep on
C. hold on
D. keep up
140. If you _____ James， ask him to phone me.
A. should see
B. must see
C. might see
D. would see
141. If you are required to do some work， it must be done _____.
A. sooner or later
B. after all others
C. at last
D. in the long run
142. If you know what the trouble is， why you don't help them to _____ the situation?
A. simplify
B. modify
C. verify
D. rectify
143. I'm sorry， but what he thinks is not of the _____ important to me.
A. worthy
B. valuable
C. valueless
D. priceless
144. I'm sure your suggestion will _____ the problem.
A. contribute to solving
B. be contributed to solve
C. contribute to solve
D. be contributed to solving
145. I'm very much obliged to you _____ the information.
A. on
B. for
C. with
D. of
146. In American universities， classes are often arranged in more flexible _____ and many jobs on campus are reserves for students.
A. scales
B. ranks
C. grades
D. patterns
147. In Beijing， the season of the year is probably _____ fall.
A. later
B. last
C. latter
D. late
148. In spite of the wide range of reading material specially written or ______ for language learning purposes， there is yet no comprehensive systematic program for the reading skills.
A. adapted
B. acknowledged
C. assembled
D. appointed
149. In that country， guests tend to feel they are not highly _____ if the invitation to a dinner party is extended only three or four days before the party date.
A. admired
B. regarded
C. expected
D. worshipped
150. In that country， students will be _____ admittance to their classroom if they are not properly dressed.
A. declined
B. deprived
C. denied
D. deserted