题目内容：
He ( ) himself on his ability to speak four languagesA.proud
B.proudly
C.proud of
D.prided
参考答案：
选择题：He ( ) himself on his ability to speak four langua
- 题目分类：当代英语语法概论
- 题目类型：选择题
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A.proud
B.proudly
C.proud of
D.prided
A.proud
B.proudly
C.proud of
D.prided
( ) who caused you to serve dinner an hour later t
( ) who caused you to serve dinner an hour later than usual? A.Was he B.Did h
3[填空题,0.7分] Put the following words in appropriate
3[填空题,0.7分] Put the following words in appropriate groups :pliers, information,
Fill in the blanks with the appropriate form of th
Fill in the blanks with the appropriate form of the verb or verb phrase given:If
D/A转换器DAC0832的模拟量输出信号是( )(本题2.0分) A、 电流 B、 电压 C、 既
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11. 按功能来分,微型计算机控制系统的软件可为( )两大部分。(本题2.0分) A、 操作系统和开
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