It’s a good habit to keep the classroom _________ all the time.
A. clearly
B. clean
C. cleaning
D. clear
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All of us were very ______ when we heard the ______ news.
A. excited, exciting
B. excited, excited
C. exciting, exciting
D. exciting, excited
He hasn’t got a very ________ voice, but he sings very ________.
A. good, well
B. good, good
C. well, well
D. well, good
The girl ________ over there is my daughter.
A. stand
B. stood
C. standing
D. standly
题目: 巨幼红细胞性贫血可能原因有 编号: CUXAQM
A. 胃大部分切除
B. 维生素B12缺乏
C. 内因子缺乏
D. 叶酸缺乏
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