s.ps or ps.pf? pakai penjelasannya!

Kelas: SMP
Pelajaran: English
Kategori: grammar review
Pembahasan: 

My parents emigrated to USA.... (as the definite time signal is mentioned - 1980)
They had never travelled outside China ... (telling about past experience)
Eventually, they settled ......
....and grew up there.
I went to China .....
I had always wanted to visit China.....