`11.` C
`=>` look for: tìm kiếm
`12.` C
`=>` get over: vượt qua
`13.` A
`=>` V + off
`14.` A
`=>` V + S + out
`15.` A
`=>` turn the light +on/off
`16.` A
`=>` take + on/off + N
`17.` C
`=>` look after = take care of = trông coi
`18.` A
`=>` dark : tối nên ta chọn turn on.
@Yuri