Câu hỏi: Parks which are found in downtown areas where office workers and store employees can enjoy their lunch hours sitting on the green grass in clean, fresh air.

A. which

B. employees

C. lunch hours sitting

D. fresh air

Câu 1: The developing of the submarine was hindered by the lack of a power source that could propel an underwater vessel.

A. developing

B. the

C. a power

D. could propel

Câu 2: The Commitments of Traders Report is released by the Commodity Futures Trading Commission on eleventh day of each month.

A. released by

B. on eleventh

C. of

D. month

Câu 3: The notion that students are not sufficiently involved in their education is one reason for the recently surge of support for undergraduate research.

A. notion

B. are not

C. their education

D. recently

Câu 4: The guide told the tourists that it was a good restaurant specializing in seafood just round the corner from the museum.

A. The

B. it was a

C. specializing

D. just round

Câu 5: These snakes will not cause you any serious harm. They are harmful.

A. snakes

B. cause

C. harm

D. harmful

Câu 6: Practicing his speaking English everyday, his hope was to get a good job in a foreign company.

A. his

B. everyday

C. his hope

D. to get