WE MANAGED TO CLIMB OVER THE WALL WITHOUT ...A. BEING SEE B. TO SE...

25. - BÀI SOẠN UNIT 10: CONVERVATION
BÀI SOẠN UNIT 10: CONVERVATION

25.

We managed to climb over the wall without ...

A. being see

B. to see

C. to be seen

D. seeing

Choose is a mistake in the four underlined parts of each sentence. Find the mistake (A, B,C or D)