Identify one part of each sentence that needs correcting.
1. One of the most urgent problems facing us now are the need to control population growth.
2. The food my mother is cooking in the kitchen smells deliciously.
3. For more than 450 years, Mexico City has been the economic, culture and political centre of the country.
4. It’s really annoyed to talk to a hot-tempered person like him.
5. My sister attends an university in Hanoi which specializes in foreign trade.
6. If anyone in the audience has anything to add to what the speaker has said, let them speak up.
7. This new theory was very well received in the past few weeks.
8. Her work has now been recognizing as a great contribution to science, though it was ignored at first.
9. Medical students must learn both the theory or the practice of medicine.
10. Normally, fifteen-months-old babies can pick up objects and put them into small containers.
