Các câu ví dụ cho từ had

1. China had suggested the collaboration at the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) in May this year.

2. S firms had begun registering the trademarks "ST25" and "World’s Best Rice" since last June, seeking to profit from the brand’s prestige.

3. Before this transplant operation, doctors had believed it was too risky to leave an HIV-positive patient with only one kidney.

4. Vietnam has had a maximum two children per couple policy since the 1960s, but the government is now encouraging families to have two children instead of just one.

5. Kim Jong-Un's older half-brother had once been seen as their father Kim Jong-Il's natural heir, and some reports had suggested that China might be grooming him to replace the younger man in the event of a crisis.

6.  "Back then our village had laterite.

7. A forensics expert stands next to a car which had entered the main pedestrian shopping street in the city at high speed, in Antwerp, Belgium, March 23, 2017.

8. A bomb disposal robot is seen removing items from a car which had entered the main pedestrian shopping street in the city at high speed, in Antwerp, Belgium, March 23, 2017.

9. Vietnam's nuclear safety experts and officials had the opportunity to attend conferences, receive joint training and practice at nuclear research facilities and regulatory organizations in France, Germany, Belgium and Finland.

10. It had expanded into the refrigeration, consumer electronics, home appliances, and smart phone segments.