问题
Miss Lin ____ a lot of work for the poor area for about 10 years.
A:does
B:did
C:has done
D:will do
B:did
C:has done
D:will do
正确答案是：
同类题型
_Were you at home last night? _ No. I______to go to the concert.
On his way to the airport, it ________ him all of a sudden that he had forgotten her birthday.
Our teacher ____ in our school for 29 years and he ____ here when he was 23 years old.
One day, people will fly ___________ Mars __________ vacation.[ ]