I) Complete the following sentences based on the given cues.  

1. The house hasn’t been repaired since it was built. 

2. Glass is usually made from sand. 

3. The statue was cut out of stone. 

4. She asked the guide if Phong Nha cave was the most beautiful cave in Vietnam.

5. When Andrew saw the question, he knew the answer immediately. 

Mistakes 

Correction

1. built

was built

2. of

from

3. (no mistake)

4. where

if

5. was knowning

knew