John ___________a book when I saw him.
Đáp án D
John đang đọc sách khi tôi nhìn thấy anh ấy.
Việc tôi nhìn thấy anh ấy dùng quá khứ đơn => hành động đang đọc xảy tiếp diễn trong quá
khứ => dùng quá khứ tiếp diễn.
Ann's encouraging words gave me _________ to undertake the demanding task once again.
He did not share his secrets with other people but he ________in her.
The local people insisted that the road_________50 cm more so that, in case of flood, they still can travel on it.
The girl __________ design had been chosen stepped to the platform to receive the award.