—Where’sWangLongjian?—Heisworking
问题详情：
—Where’s Wang Longjian? —He is working _____ math _____ in the classroom.
A. in; problem B. out; problem C. in; problems D. on; problems
【回答】
D
知识点：相似 相近词比较
题型：选择题
问题详情：
—Where’s Wang Longjian? —He is working _____ math _____ in the classroom.
A. in; problem B. out; problem C. in; problems D. on; problems
【回答】
D
知识点：相似 相近词比较
题型：选择题
