TOEIC Grammar - Choose the right word

ScottsEnglishScottsEnglish Administrator Posts: 1,060 admin ✭✭✭✭✭✭✭

Choose the right word for the following sentence.

When the program failed, the engineer had to find a new way of ______________________ the machine.

A. operate
B. to operate
C. operation
D. operating

Click here for the correct answer.

When the program failed, the engineer had to find a new way of operating the machine.

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