I,Rewrite the second sentence so that is has a similar meaning to the first sentence:
1. You can make payment at any post office
–> Payment can…
2. It’s a pity I don’t have a computer
—> I wish…
3. Why don’t we have a party in the garden
–> Minh suggested …
4. My mother spent three hours making a dress
–> It took…
1. You can make payment at any post office
=> Payment can be made at any post office
2. It’s a pity I don’t have a computer
=> I wish I had had a computer
3. Why don’t we have a party in the garden
=> Minh suggested don’t we have a party in the garden
4. My mother spent three hours making a dress
=> It took my mother three hours to make a dress.
1. You can make payment at any post office
–> Payment can be made at any post office
2. It’s a pity I don’t have a computer
—> I wish I have a computer
3. Why don’t we have a party in the garden
–> Minh suggested we should have a party in the garden
4. My mother spent three hours making a dress
–> It took 3 hours to make a dress