B. Complete the sentences with the correct form of the words in the box.


error affect install consume progress discomfort take off medical

1. The scientists have made a(n) breakthrough with their discovery.
2. The procedure is not painful but you will experience some mild .
3. The engineer realised that there was a mathematical in his calculation.
4. We were told to be quiet as examinations were in in the building.

5. The city was badly by the hurricane.
6. Energy-saving lightbulbs do not a lot of energy.
7. The pilot announced that the plane would not because of a problem with one of
the engines.
8. The technician my new air conditioner yesterday.