Have you realized the difficulty we have ____ the problem?
A．worked out B．to work outC．work outD．working out
D
考查固定句型。have difficulty/trouble (in) doing sth.“做某事有困難”。句意“你意識(shí)到我們在解決這個(gè)問題時(shí)，遇到的困難嗎？”根據(jù)固定句型可知，選D。
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

The teacher called Tom to his office because he was caught_____in the exam.
A．to cheatB．cheatingC．cheatedD．cheat

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


The project, ______ at the end of 2008, expanded the city’s telephone network to cover 1,000,000 users.
A．a(chǎn)ccomplished B．being accomplished
C．to be accomplished D．having been accomplished

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Have you dreamed about       such a good chance for further education abroad?
A．there isB．there beingC．there to beD．there will be

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Don’t be upset. _______ things as they are and you will enjoy every minute of your life.
A．TakingB．TakeC．ConsiderD．Considering

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The library needs _____,but it’ll have to wait until Friday．
A．cleaningB．to clean
C．being cleanedD．to being cleaned

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


On,June the 25th, 2009, Michael Jackson made his final exit from this earthly stage, leaving the whole world________.
A．shocked.B．shockingC．being shockedD．having shocked

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


She explained it again to make herself _______ by the audiences.
A．misunderstandB．misunderstoodC．misunderstanding D．to misunderstand

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


It’s their duty for the soldiers           our country           our enemies.
A．to prevent; fromB．to keep; fromC．to protect; fromD．to stop; from

查看答案和解析>>

同步練習(xí)冊答案