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21. There is no _____ of rain today. It is not necessary for you to take your raincoat.
A. mark B. symbol C. sign D. message
22. Mary is a lucky girl and she is the only one of the students who______ been to Paris.
A. have B. has C. had D. is
23. The police ____ the murderer everywhere when he suddenly appeared in a theatre.
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21. There is no _____ of rain today. It is not necessary for you to take your raincoat.
A. mark B. symbol C. sign D. message
22. Mary is a lucky girl and she is the only one of the students who______ been to Paris.
A. have B. has C. had D. is
23. The police ____ the murderer everywhere when he suddenly appeared in a theatre.