What does the author think of the change in today’s children？
A. He feels amused by chair premature behavior.
B. He thinks it is a phenomenon worthy of note.
C. He considers it a positive development.
D. He seems to be upset about it.
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The traffic was very heavy, otherwise I ________ here 50 minutes sooner.
A. would be
B. should be
C. had been
D. would have Been
Before the first non-stop flight made in 1949, it ________ necessary for all planes
A. would be
B. has been
C. had been
D. would have been
According to Scheetz’s statement （Lines 4-5. Para. 4）, companies prefer ________.
A. people who have a strategic mind
B. people who are talented in fine arts
C. people who are ambitious and aggressive
D. people who have received training in mechanics
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