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
In front of our house ________ we used to swim.
A. a river lies that B. does a river lie where
C. lies a river which D. lies a river where
