题目内容
16、Tom ______ full marks, but he was too careless and made a spelling mistake．
A．could gain B． could have gained C． must have gained D． must gain
试题答案
16、B
相关题目
题目内容
16、Tom ______ full marks, but he was too careless and made a spelling mistake．
A．could gain B． could have gained C． must have gained D． must gain
试题答案
16、B