Sometimes could is the past of can. We use could especially with:
see, hear, smell, taste, feel, remember, understand.
EXAMPLE:
We had a lovely room in the hotel. We could see the lake.
As soon as I walked into the room, I could smell gas.
I was sitting at the back of the theatre and couldn’t hear very well.
EXAMPLE:
Listen to audio №1 and write your answer.
ANSWER:
Feel
Correct:
Incorrect: