THERE ARE A LOT OF LETTERS………...RIGHT NOW. A. TO BE WRITTEN...

Question

7. There are a lot of letters………...right now.    A. to be written       B. to have written       C. to be writing      D. to write

Answer

7. There are a lot of letters………...right now.    A. to be written       B. to have written       C. to be writing      D. to write