Global Breaking News - Thursday, October 1, 2026

(토플) One of the primary materials used in the construction of buildings and roads is cement, (_______) primarily from limestone and clay.

1) a powder made

2) it is a powder made

3) which made a powder

4) a powder is made

(수능) I finished talking with her at nine, (_____) she wanted me to stay a little longer.

1) when

2) at when

3) which

4) where

(SAT) It was difficult to believe that the sophisticated piece of technology had (_____) through the centuries from such (_____) and rudimentary apparatus.

1) developed . . an intricate 

2) resulted . . a complicated 

3) evolved . . a quaint 

4) degenerated . . an obsolescent 

5) differed . . an exotic