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1. ---You’ve dropped _____ “s’’ in the word “acros’’.
---Oh, ____ letter “s’’ should be doubled like this “across’’.
A. a , a B. an ,a C. an ,the D. the ,the
2. ---May I ______ your dictionary for a while?
---Sorry, I’ve left it at home.
1. ---You’ve dropped _____ “s’’ in the word “acros’’.
---Oh, ____ letter “s’’ should be doubled like this “across’’.
A. a , a B. an ,a C. an ,the D. the ,the
2. ---May I ______ your dictionary for a while?
---Sorry, I’ve left it at home.

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