Choose the most appropriate option to fill in the blank:
Grandfather stayed indoors all afternoon, ______ the sun was too strong for him.
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → for
Complete sentence: Grandfather stayed indoors all afternoon, for the sun was too strong for him. Grandfather stayed indoors, and the next part gives the reason: the sun was too strong for him.
| Option | Meaning and use | Example |
|---|---|---|
| (1) for (answer) | after a comma, it means because. It gives the reason for what was just said | We spoke softly, for the baby was asleep. |
| (2) so | shows a result of what is said before it | The road was flooded, so the school bus did not come. |
| (3) although | shows that something happens in spite of another fact | Although the water was cold, the boys jumped into the river. |
| (4) unless | means if not | Do not open the door unless you know who is outside. |