问题

Professor Haley told me that he__________by many of his students at the railway station
A:had been seen off
B:have been seen off
C:had seen off
D:have seen off
B:have been seen off
C:had seen off
D:have seen off
正确答案是:
同类题型
We will hold a meeting to sum up our experience ____ we finish our task.
________occurred to me that I had left my shirt on the playground.[ ]
The scientists will succeed in their experiment______ they give up.
38. — What are you going to do tomorrow — I will go _____ with my friends on thelake.
I don’t want to cook today.—Let’s a pizza from the restaurant.