Viết lại câu Doing this exercise is very difficult. -________________________________.
2 câu trả lời
Đáp án : It is very difficult to do this exercise
` - `V-ing / N + is + ( very ) + adj
` = ` It is + ( very ) + adj + to V
Đáp án : It is very difficult to do this exercise
` - `V-ing / N + is + ( very ) + adj
` = ` It is + ( very ) + adj + to V