`1.` B
`\text{Sửa: rode.}`
`\text{QKĐ}`
nhận bt: When I was a child
S + Ved/VPI + (O).
`2.` C
`\text{Sửa: haven't finished}`
`\text{HTHT}`
nhận bt: yet
S + hasn't/haven't + VPII + (O).
`3.` D
`\text{Sửa: stops}`
`\text{HTĐ}`
nhận bt: until
S + V(s/es) + (O).
`4.` C
`\text{Sửa: have already arrived}`
`\text{HTHT}`
nhận bt: already
S + has/have+ already + VPII + (O).
`5.` D
`\text{Sửa: at night}`
`\text{at night: vào buổi tối}`