【华慧考博】考博英语每日一练(1.10)考博加油!
1. Her face gave her ______ when she told a lie.
A. off
B. up
C. out
D. away
2. This document is______ unless officially stamped.
A. legal
B. valid
C. legible
D. invalid
【考博英语句子改错】
During the Colonial days, the Iroquois had an agricultural economy basing mainly on corn with supplementary crops of pumpkins, beans, and tobacco.