The problem was very difficult to handle．We w...

The problem was very difficult to handle．We worked it out，__________ ．

A．too　　　　         B．yet　　　　         C．although　　　         D．though

高三英语单项填空中等难度题查看答案及解析

So difficult ________ it to work out the problem that I decided to ask Tom for advice.

A. I did find        B. did I find         C. I have found       D. have I found

高三英语单项填空中等难度题查看答案及解析

So difficult____it to work out the problem that I decided to ask Tom for advice.

A. I did find　　 　　　　　　　　 B. didI find

C. I have found　　 　　　　　　 D. have I found

高三英语单项填空中等难度题查看答案及解析

So difficult ________ it to work out the problem that I decided to ask Tom for advice．

A．I did find      B．I have found         C．did I find      D．have I found

高三英语单项填空简单题查看答案及解析

It was not until the teacher had explained it three times _______ how to work out the problem.

A. did he understand                        B. had he understood

C. that he understood                        D. that he didn’t understood

高三英语单项填空中等难度题查看答案及解析

It was not until the teacher had explained it three times _______ how to work out the problem.

A. did he understand                                                        B. had he understood

C. that he understood                                                      D. that he didn’t understood

高三英语单项填空中等难度题查看答案及解析

—Was ________ problem solved?

—We were trying to think of ________ way out, but it was difficult to find one.

高三英语单项填空简单题查看答案及解析

The problem will not be difficult to solve, if properly ________.

A. to be handled   B. handling          C. handled          D. being handled

高三英语单项填空中等难度题查看答案及解析

It was with great joy _______ he worked out the problem that he had long been puzzled about.

A．which            B．that              C．because           D．since

高三英语单项填空中等难度题查看答案及解析

It ____ Jack twenty minutes ____ the math problem yesterday.

高三英语单项填空简单题查看答案及解析