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21£®--- Bad luck! I failed again in the driving test.

    --- You’re sure to succeed if you try        third time. What’s more, experiencing failures can also be         pleasure.

       A£®the; a                  B£®the; /                   C£®a; a                     D£®a; /

22£®---         I invite Jack to the party?

    --- Yes, it’ll be nice if you           .

       A£®Will; may            B£®Shall; will           C£®Shall; shall          D£®Will; will