摘要：33．He full marks, but he was so careless to make a spelling mistake. A．must have gained B．can have gained C．could have gained D．must gain
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He full marks, but he was so careless to make a spelling mistake.
A．must have gained B．can have gained
C．could have gained D．must gain
查看习题详情和答案>>He ________ full marks, but he was so careless to make a spelling mistake.
[ ]
A．must have gained
B．can have gained
C．could have gained
D．must gain
He _____ full marks, but he was so careless to make a spelling mistake.
[ ]
A．must have gained B．can have gained
C．could have gained D．must gain
查看习题详情和答案>>