I_______there once a long time ago and_______back since.
Đáp án B
Mệnh đề đầu có a long time ago => quá khứ đơn
Mệnh đề sau có since => hiện tại hoàn thành.
Ann's encouraging words gave me _________ to undertake the demanding task once again.
The local people insisted that the road_________50 cm more so that, in case of flood, they still can travel on it.
He did not share his secrets with other people but he ________in her.
The girl __________ design had been chosen stepped to the platform to receive the award.
My boss's plane___________at 10:15 tomorrow morning, but I cannot pick him up.