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：句意：马力和乔伊在一班。他们来自美国。in Class One在一班； be from来自。故选B。
考点：考查介词的用法。