I don’t think she’ll be upset, but I’ll see her in case ________.
A. she’ll
B. she is
C. she does
D. she would
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“I wish that your sister would come to visit me.”“Well, I’ll tell her when I ______ her.”
A. see
B. saw
C. well see
D. would see
He ______ for six years by the time he takes his examination.
A. was studying
B. would have been studying
C. had been studying
D. will have been studying
Oil, exported from Iran to Europe, _____ by tankers.
A. used to be transported
B. used to being transported
C. was used to be transported
D. was used to being transported
关于盲点的位置叙述错误的是（）。
A. 位于视网膜
B. 位于中央动静脉出入的部位
C. 位于视神经穿出视网膜的部位
D. 位于视神经盘
E. 位于节点
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