Choose the best answer for the following sentence:
The proposal for ________________ is going to be discussed at this week's County Council meeting.
A.
a mass built transiting system
B.
a mass transiting system built
C.
a mass transit built system
D.
building a mass transit system
Đáp án và lời giải
Đáp án:D
Lời giải:
building a mass transit system