Mary and Joy are ____ Class One. They are ___

试题详情及答案解析: Mary and Joy are ____ Class One. They are ____ the USA.
A. from; in B. in; from
C. to; from D. in; to; 答案：B; 试题分析：注意在哪个班用in;be from表示来自...句意：--Mary and Joy在一班，他们来自美国。结合句意，故选B
考点：考查介词辨析。