IV : choose the correct answer A , B , C or D for each of the gaps to complete the following text 

     Last month Lan's father ( 16 ) ............................. her to a glass factory . They visited the recycling workshop where the broken glass was smashed ( 17 ) .............................. small pieces  , and the glass was washed with a particular detergent liquid . After that , it was dried up and mixed ( 18 ) .................. some chemicals . The mixture was put into a very ( 19 ) .................. temperature furnace to melt into liquid . The workers in the factory used long pipes ( 20 ) ............... the liquid into a variety of shapes . all the glassware looks nice . Lan was very impressed by the journey.

 16. A.asked                    B. took                       C. told                      D.gave 

  17A. under                     B. into                         C. in                         D. on

  18.A. in                           B.of                            C. up                        D.with 

   19A. high                       B.strong                     C. low                      D.weak

    20A. change                 B. to make                 C. to blow                D. to have

GIÚP EM NHANH VỚI!!!!!!!!!!!!!!!!!!!