单项选择题
When he tried to make a()he found that the hotel that he wanted was completely filled because of a convention.
A.complaint B.claim C.reservation D.decision
单项选择题 John said that he didn't quite()and asked me to repeat what I had said.
单项选择题 The Space Age ()in October 1957 when the first artificial satellite was launched by the Soviet Union.
单项选择题 It can be inferred from the passage that high-quality college education calls for()