We are _______ at the rapid progress Mark has made in this semester.

A.distinguished
B.astonished
C.annoyed
D.scored
出自:河南财经政法大学-金融学-大学英语4

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块