He made the request that the problem ________ at the meeting.
A. is discussed
B. discusses
C. be discussed
D. will be discussed
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She was ________ and did not know what was waiting before her.
A. puzzling
B. puzzled
C. being puzzled
D. puzzle
Only when she started to explain ________ the reason for this.
A. she realized
B. did she realize
C. she had realized
D. had she realized
“偶数、偶尔、偶然”三个词的词性分别是:
A. 数词、形容词、副词
B. 名词、副词、副词
C. 数词、副词、副词
D. 名词、副词、形容词
“你今年到底几岁啦?”这个句子的句型是:
A. 名词性谓语句
B. 动词性谓语句
C. 形容词性谓语句
D. 主谓谓语句