There is at least one mistake in each sentence. Suggest appropriate corrections

Ex 1: There is at least one mistake in each sentence. Suggest appropriate corrections.

1.     We have already worked up a new way of doing it.

2.     I cant keep up to all the changes in technology nowadays.

3.     The team scored another goal and made sure about the championship.

Ex 2: Decide whether the following sentences are correct or incorrect.

1.     What time will you set up for Da Lat?

2.     The craft of basket weaving is usually pass down from generation to generation.

3.     What time do you come back from the trip last night?