It is pointless to ask him about it because he knows nothing.

50/50

It’s no use asking him about it because he knows nothing.

It’s no use ask him about it because he knows nothing.

It’s not use asking him about it because he knows nothing.

It’s not use to ask him about it because he knows nothing.

Giải thích

Đáp án đúng là: A

Giải thích: It’s no use + Ving: vô dụng khi làm việc gì

Dịch: Thật vô nghĩa nếu hỏi anh ta điều gì đó mà anh ấy không biết.