Question:
Four sentences of a paragraph are given. One or more of these is/are grammatically incorrect. Choose the option with the incorrect sentence or sentences.
A. Lake ice was a marvellous product.
B. It created itself at no cost to the producer, was clean, renewable, and infinite in supply.
C. The only drawbacks were that there was no infrastructure to produce and store it, and no market to sell it.
D. In order to make the ice industry exist, it was necessary to work out ways to cut and lift ice on a large scale, build storehouses, secure trading rights, and engaging a reliable chain of shippers and agents.
1) C and D
2) C and B
3) A, C and D
4) D only
Answer:
Option 4: It was necessary to work out ways to engage* a reliable.
D: Engage present continuous.