NaTTaN

thank you kennyp

and what about "as an illness"?

Schizophrenia recognized as an illness as early as 1809. please tell me why "as early as" is not incorrect even though this sentence has 3 "as". Sea horses are quite unusual in the animal kingdom ____ gives birth to the young. a) in male b) that the male c) in which male d) in that the male why is d correct? I heard "that" can not follow preposition. please let me know. thank you.

Mars was probably named in the Roman god of war because of its reddish color. please tell me why b is incorrect. thanks in advance.

but I thought choice B is another one. >> While studying the chemistry (A) of human body (B), Dr. Rosalyn Yalow won a Nobel Prize for the research she conducted on © the role of (D) hormones. And, I thought B is the answer because we should add "that" before she in order to modify the research. , Dr. Rosalyn Yalow won a Nobel Prize for the research that she conducted on[/b] What do you think?[b)]:shy:

Hi Can you explain me why the question 15's answer is c not b? I thought the osprey is stranger than the others. Thank you.

Well, I used to practice this question for a long time and my teacher told me that the subject of the main clause is the q... not a flying, which is an adjective clause for the q... But I don't know why the answer C is correct. Erin please help us. thanx