39. Excess noise and annoyances can be avoided. Pack a pair or two of earplugs for your flight and hotel room,
___________.
(A) if in case
(B) in case if
(C) in just case
(D) just in case
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統計: A(33), B(11), C(4), D(103), E(0) #1657975
統計: A(33), B(11), C(4), D(103), E(0) #1657975