成人英语三级考试

【单选题】After her time in hospital, Jenny's parents are afraid she has ______ in her lessons.


A．fallen behind
B．fallen down
C．fallen back
D．fallen off

网考网参考答案：A
网考网解析：
[考点] 词义辨析 [解析] fall behind“落后”；fall down“掉下”；fall off“脱落”。 查看试题解析出处>>