`1`. C
→ when he was young : HTHT
→ S + have/ has + V3
`2`. C
→ What about/how about + V_ing
`3`. B
→ doing the housework : làm việc nhà
→ especially cleaning the windows : đặc biệt là lau cửa sổ.
`4`. C
→ subject : môn học
→ Literature : môn văn
`5`. B
→ good + at
`6`. C
→ when the telephone rang : HTHT
→ S + have/ has + V3
`7`. B
→ textile company : công ty dệt may
`8`. C
$#Hoctot$