Exercise 1. Choose the underlined part that needs correcting.

1. The solar system include the sun and all the objects that travel around it.

        A             B                            C                               D

2.Many scientists believe that Venus might had something to examine.

                     A               B                               C        D         

3.Sam tells me whether we will have a better and more comfortable life on other planets.

         A                                B                            C                                  D

4.Nick asks me what the talk about Mars will be at 9 a.m. next Sunday.

                                 A                                    B         C               D

5.My younger brother asked me if we will be alive if a big mete or hit the Earth.

                                                        A        B        C                              D

6.It is impossible to count all the stars on the Milky Way.

          A             B           C           D

7.Where will people be living within 100 years’ time?

    A                               B          C                      D

8.She said to me that she wouldn’t live here.

   A            B                   C                D

9.Jason asked Nathan how could people learn about black holes if they trapped both dark matter and

              A                                    B                                           C                D

light.    

10.I asked the scientist, “What will happen to the planets when the Sun became a red giant?”

                                                           A                              B                       C                D

11.Sarah asked Abigail if scientists could discovered more planets outside the Solar System.

           A                       B                                  C                             D                

12.They wanted to know when did astronauts orbited the moon and later walked on its surface.

               A                                   B                   C                                        D

13.Scientists said that they estimated the age of the universe by using the movement of stars to measure

                    A                          B                                                  C             

their expanding speed. 

   D

14.The student asked, “How many sunlight does the surface reflect instead of absorbing?”

                                            A                     B                         C                           D

15.Parker asked Antony whether would black holes swallow up the whole universe.

                 A                      B                          C                           D