giúp em với ạ Exercise 9. Write the missing words to make a sentence that means the same. 1. We should behave better. Our ______________ should improve. 2. It was really hard to concentrate with all that noise.  ______________was a bit difficult, because of the noise. 3. The teacher discussed our essays with us. We had a ______________about our essays. 4. Everyone felt disappointed with Carl’s results.  Carl’s results were a ______________. 5. We need to advertise the school play.  We need to make an ______________for the play. 6. We can revise in the library at 4 p.m.  There is a ______________session in the library at 4 p.m. 7. The teacher should explain this better!  He should give us a better ______________. 8. Teachers must always be very well educated.  Tecahers must have a good ______________. 9. The football team trains at least twice a week.  The football team has ______________sessions at least twice a week. 10. Jane was a very embarrassed when the teacher asked her to sing a solo.  Singing a solo caused a lot of ______________for Jane.