The new contract becomes effective June 1, 2010.
A. as for
B. as to
C. as of
D. as regards
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We think John, rather than you, .
A. are to blame
B. is to blame
C. are to be blame
D. be to blame
Suddenly, we heard that there was a loud knock ____________ the door.
A. over
B. in
C. at
D. with
The doctor said I go back to the hospital; my leg is all right now.
A. mustn’t
B. needn’t
C. won’t
D. can’t
Most of the passengers in the traffic accident. Only three of them survived.
A. are killed
B. were killed
C. killed
D. was killed