John is the tallest boy in the class, _______ according to himself.
A. six feet as tall as B. as tall as six feet
C. as six feet tall as D. as tall six feet as
What the science teacher does and says ____ of great importance to college students.
A. was B. are C. is D. were
The year 2007 ______ remarkable changes in Changzhou’s landscape.
A. sees B. has been C. saw D. had seen
The children were catching butterflies in the garden. Some caught a lot, and others caught _______ at all.
A. nothing B. none C. no one D. neither
How wonderful to go away for a month, _____ all worries and responsibilities!
A．free from B．in touch with C．on the basis of D．instead of
Health officials have tried to raise _______ about the H1N1 flu among all people.
A. conscience B. evidence C. evaluation D. awareness
