9. The sun is high, __________ put on some sunscreen because we will be out all day.
(A) and
(B) but
(C) for
(D) so。
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統計: A(38), B(7), C(5), D(116), E(0) #2236380
統計: A(38), B(7), C(5), D(116), E(0) #2236380