A:must have rained
B:may have rained
C:must rai
D:might rai
某有机物在空气中完全燃烧,测得生成物中含有二氧化碳、水蒸气、二氧化硫,下列对该有机物的推断正确的是( )
--- Where's your cousin?
--- He his homework in his bedroom.
李大钊在《布尔什维主义的胜利》中指出:1917年的俄国革命,是立于社会主义之上的革命。上述认识的得出,主要是由于李大钊
用字母给下列句子排序。
A. I like my kite. It's nice.
B. Can I help you?
C. Thank you.
D. Here you are.
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