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.

Correction: We have already worked out a new way of doing it.

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

Correction: I can't keep up with all the changes in technology nowadays.

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

Correction: The team scored another goal and ensured the championship.

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

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

Incorrect. Correction: What time will you set off for Da Lat?

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

Incorrect. Correction: The craft of basket weaving is usually passed down from generation to generation.

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

Incorrect. Correction: What time did you come back from the trip last night?