Вставьте подходящие по смыслу слова.
1) i didn't see the cup and it down.
2) i didn't have a pen. so, i used a pencil it.

1) I didn't see the cup and accidentally dropped it down.

2) I didn't have a pen. So, I used a pencil to write it.

1) I didn't see the cup and dropped it down.

2) I didn't have a pen. I used a pencil, having spent it completely to write it.

Объяснение:

Удачи