Ex 6. Find and correct the mistake in each sentence.

1.  We can save the electricity by turn off the lights when not using them.     .........

                   A                B              C                              D     

2.  Everyday I go to work by foot, but she goes to work by bus.      .............

                               A         B                     C           D

3.  Will we traveling in driverless and high-speed cars in the future?             .........

                         A              B               C             D

4.  Your uncle works in Ha Noi for one year then moved to Da Nang, didn’t he?    

                            A                     B                  C                                 D

bảo linh 7G à

Ex 6. Find and correct the mistake in each sentence.

1.  We can save the electricity by turn off the lights when not using them.     .........

                   A                B              C                              D     

2.  Everyday I go to work by foot, but she goes to work by bus.      .............

                               A         B                     C           D

3.  Will we traveling in driverless and high-speed cars in the future?             .........

                         A              B               C             D

4.  Your uncle works in Ha Noi for one year then moved to Da Nang, didn’t he?    

                            A                     B                  C                                 D