11. It is kind ________ you to do so.

It is easy ________ you to do so.

A. to B. for C. of D. with

10. There ________ no bus, we had to walk home.

As there _______ no bus, we had to walk home.

A. was B. were C. being D. be

9. _______ from the hill, the park seems beautiful.

_______ from the hill, you'll find the park beautiful.

_______ from the hill, and you'll find the park beautiful.

A. See B. Seen C. Seeing D. to be seen

8. _________ he has done it is surprising.

_________ he has done is surprising.

A. What B. That C. Whether D> /

7. ________ he was badly ill that the enemy set him free.

________ he was badly ill did the enemy set him free.

A. Until B. Not until C. It was until D. It was not until

6. _________ is known to all that paper was first made in China.

_________ is known to all, paper was first made in China.

A. That B. Which C. As D. It

5. Finally they arrived at a farmhouse, ________ roof well above the others'.

Finally they arrived at a farmhouse, ________ roof was well above the others'.

A. what B. which C. whose D. its

4. Here is such s difficult text _______ none of us can understand.

Here is such a difficult text _______ none of us can understand.

A. as B. which C. that D. where

3. I will never forget the days ______ we spent together in the country.

I will never forget the days _______ we worked together in the country.

A. on which B. where C. that D. when

2. It is a store, ________ sells science book.

It is the very store _______ sells books are sold.

It is the store ________ science books are sold.

It is in the store _______ science books are sold.

A. who B. which C. that D. where