YOU MUSTN’T USE THIS MACHINE AFTER 5.A. THIS MACHINE MUSTN’T BE...

30. - TRAC NGHIEM CAU BI DONG
TRAC NGHIEM CAU BI DONG
30. You mustn’t use this machine after 5.30.a. This machine mustn’t be used after 5.30. b. This machine mustn’t used after 5.30. c. You mustn’t be used this machine after 5.30. d. A & C are correct.