[单项选择]It was not until dawn_________ their way out of the forest.
A. when they found
B. that they found
C. did they find
D. that they didn’t find

[单项选择]It was not until dawn_________ their way out of the forest.
A. when they found
B. that they found
C. did they find
D. that they didn’t find

[单项选择]It was not until dawn （　） their way out of the forest.
A. when they found
B. that they found
C. did they find
D. that they didn’t find

[单项选择]It was not until she told me about（）I found out the truth.
A. it
B. that
C. it that
D. that it

[单项选择]It was not until dawn _____ their way out of the forest.
A. when they found
B. that they found
C. did they find
D. that they didn’t find

[填空题]offers are valid until after 30th September.

[单项选择]“Tom could not speak Spanish until the 25th Olympic Games．” “I know __________ ”
A. I could not also
B. Neither could I
C. I could too
D. I couldn’t neither

[单项选择]As was discussed before．it was not until the 19th century that the newspaper became the dominant pre-electronic medium．
A. 正如以前谈过，直到19世纪报纸才成为电子时代以前的主导媒体。
B. 正如以前谈过，直到19世纪报纸还没成为电子时代以前的主导媒体。
C. 正如以前谈过，19世纪后报纸才成为电子时代以前的主导媒体。
D. 正如以前谈过，直到19世纪报纸才占领电子时代以前的媒体。

[单项选择]Until the 16th century the earth ______to be flat.
A. is believed
B. has been believed
C. believed
D. was believed

[填空题]Private claims advocates help people figure out their bills free of charge.

[填空题]Not until the 18th(上标) century ______ (人类才意识到) that the brain controlled our thinking.

[单项选择]Every other week it seems a new study comes out that adds to our already-formidable store of parental worries. But even by those upgraded standards, the report issued last week by the federal government’s National Center for Health Statistics contained a jaw-dropper: the parents of nearly one of every five boys in the United States were concerned enough about what they saw as their sons’ emotional or behavioral problems that they consulted a doctor or a healthcare professional. By comparison, about one out of 10 parents of girls reported these kinds of problems.
The report confirms what many of us have been observing for some time now: that lots of school-age boys are struggling. And, parents are intensely worded about them.
What is bothering our sons Some experts suggest we are witnessing an epidemic of ADD (attention deficit disorder) and say boys need more treatment. Others say that environmental pollutants found in plastics, among other things, may be eroding their attent
A. The potential physical problems of the kids.
B. The higher standard set by the federal government.
C. A study coming out every other week.
D. Their children’s emotional or behavioral problems.

[单项选择]The man to whom we handed the forms pointed out that they had not been （）filled in.
A. consequently
B. frequently
C. comprehensively
D. properly