It was strange that you ______ for Maggie’s address. I just got a letter from her---the first one since her family moved on August 31, 1999.
| A．should have asked | B．would have asked |
| C．shall ask | D．might ask |
Sugar is not an important element in bread , but flour is .
| A．unique | B．essential | C．natural | D．adequate |
The president has told his friends that he is sick but will not admit it _____.
| A．in private | B．in secret | C．in public | D．in detail |
Walking down the street, she noticed a long _____ of houses, all exactly alike.
| A．queue | B．rank | C．train | D．row |
When the teacher told the boy to sit down, he _____ to her and said she couldn’t make him.
| A．gave way | B．talked back | C．looked up | D．got down |
I broke my relationship with John because he always found _____ with me.
| A．error | B．mistake | C．fault | D．failure |