3) When Nam was reading book. his mother called him
read book : đọc sách
call: gọi
4) When we was tidying, the man had left
tidy : dọn, left đã rời đi
5) While I was watching films, my father was reading book
watch : xem, read: đọc
CHÚC BẠN HỌC TỐT
ΔHuyΔ
# active association