問題詳情
2. The participants in the pilot test were 13 upper-intermediate students ______ educational
and language backgrounds.
(A) in the magnitude of
(B) from a variety of
(C) with the exception of
(D) in the shape of
參考答案
答案：B
統計：A:0,B:7,C:0,D:0,E:0
難度：計算中