He went back to work in his country after he ______ his course on Advanced Engineering in London.
Ta có cấu trúc:
Mênh đề quá khứ + AFTER + mệnh đề thì quá khứ hoàn thành.
Đáp án là B
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
The pool should not be made so deep______small children can be safe there.
We must push the piano to the corner of the hall to_____________________ our party tonight.
There has been a great increase in retail sales,_____________________ ?
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
Education in many countries is compulsory________the age of 16.
Only one of our gifted students______to participate in the final competition.
He_______________us but he was short of money at the time.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.