______the dog was the first animal to be domesticated is generally agreed upon by authorities in the field.
A．Until
B．It was
C．What
D．That

未分类题What was troubling New York in late 1960s and early 1970s according to the passage?A．There 559,000 in the drug users in the state.B．There was a 31 % increase in drug use by 1972.C．It was short of money solving drug problem.D．The drug problem seemed going out of control.

未分类题It can be inferred from the first paragraph that______.A．the essential qualities of a true Pan-Americanism were defined by Franklin RooseveltB．mutual understanding is one of the most far-reaching elements in North AmericaC．few Americans may be aware of others'point of viewD．America's friendship with Canada and Mexico risks going sour

未分类题He couldnt say what it was______bothered him.A．itB．whichC．thatD．as

未分类题The first paragraph is written to ______.A．report the suicide of a young manB．show the suffering of Mr. and Mrs. SatowC．describe the Satows' confusion over their son's deathD．introduce the topic of a website called Ulifeline

未分类题According to the writer, it is difficult for you to go to sleep if ______.A．you get the habit of staying up lateB．you haven't taken sleeping pillsC．you sleep for hours after dinnerD．you fail to do some exercises