THERE WAS A GREAT DEAL OF MACHINERY. THIS MEANS THERE ……….. .A. WA...

17. - 70 DE THI CHUNG CHI B TIENG ANH
70 DE THI CHUNG CHI B TIENG ANH

17. There was a great deal of machinery. This means there ……….. .

a. was one big machine

b. was one big engine

c. were many machines

d. was one powerful machine

 c