Mark the letter A, B, C, or D on your answer sheet to indicate the best answer to each of the following questions.
Question 1: I don't think he can afford ______ a house in the city center at the moment.
A. to buy
B. buying
C. bought
D. buy
Question 2: Young people ______ to participate in community activities so that they can develop important social skills.
A. encouraged
B. encourage
C. are encouraged
D. are encouraging
Question 3: The new stadium in the city center, ______ will be completed next year, will seat 30,000 spectators.
A. which
B. that
C. where
D. when
Question 4: If the government ______ stronger measures to reduce pollution, the environmental situation in big cities could improve significantly.
A. would take
B. takes
C. took
D. will take
Question 5: The government is trying to raise public awareness ______ the importance of protecting the environment.
A. with
B. at
C. of
D. for