阿摩線上測驗
56 Mary still experiences great difficulty to speak French after learning it for six months, ________ writing it.
(A) let alone
(B) in spite of
(C) in regard to
(D) by all means
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統計： A(6), B(14), C(5), D(5), E(0) #2205617
統計： A(6), B(14), C(5), D(5), E(0) #2205617
