A. a; an B. /;the
C. a; the D. /; an
A. one, seven B. one, seventh
C. first, seventh D. first, seven
A. Never to B. Not C. Don’t D. No
A. arrives B. arrived C. arrive D. will arrive
A. has been to B. has gone to C. went to D. was in
A. is not allowed B. is allowed C. doesn’t allow D. allows
A. needn’t B. may not C. mustn’t D. don’t have to
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