A. don't have to do it B. needn't have done it
C. wouldn't do it D. mustn't have done it
A. if B. since C. as D. though
A. when B. then C. while D. but
A. was having B. was to have C. had had D. had
A. Good-bye B. Take care C. Take it easy D. What can I do for you
A. remains to do B. is remains to do C. remains to be done D. has remained to do it
A. afar all B. above all C. in all D. for all
A. where B. which C. that D. there
A. did B. were doing C. had done D. have been doing
A. says B. talks C. covers D. refers
A. who; lost B. which ; missing C. whose, missing D. of which; lost
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