Page 105, Ex. 2

She made a cake an hour ago.
She bought a hat last night.
Juan wrote a letter yesterday.
They drank a lotb of cola last night.
She broke her arm last week.
He had a shower two minutes ago.

Ex 3
We didn;t go to the cinema yesterday
John didn;t read a comic yesterday afternoon.
You didn’t buy a CD yesterday.
I didn’t swim in the sea last summer.
Emma didn’t tell me a joke yesterday.
The cat didn’t eat a fish last night.
You and Jim didn’t make sandwiches for lunch yesterday.
Our grandparents didn’t send us an email last week.