河南成教 / 大学英语（III）
正确率：100%
4、
In the very height of the afternoon blaze they saw a horseman on the crest of a hill, watching them ________ through glasses.
A. intently
B. intentionally
C. intensively
D.extensively
In the very height of the afternoon blaze they saw a horseman on the crest of a hill, watching them ________ through glasses.
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