Đề chính thức thi vào 10 môn Tiếng Anh tỉnh Quảng Nam 2024 - 2025 có đáp án

Choose the incorrect part indicated by A, B, C or D in the following sentence. The new trainee doesn't know how _________ the machine.

15/40

Choose the incorrect part indicated by A, B, C or D in the following sentence.

 The new trainee doesn't know how _________ the machine.

operated

operating

operate

to operate

Giải thích

D. to operate