日语
韩语
法语
德语
西班牙语
意大利语
阿拉伯语
葡萄牙语
越南语
俄语
芬兰语
泰语
从每小题的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
6. I like Mr. Miner’s speech; it was clear and _________the point.
A. at B. on C. to D. of
7 .--- What do you think of the grammar book?.
--- Oh, it really is ______useful reference book, which is worth reading _______second time.
A. a; a B. an; the C. an; a D. the; the
8. Although it is not our normal _________ to give a discount in our shop, this time we will consider the matter more closely.
6. I like Mr. Miner’s speech; it was clear and _________the point.
A. at B. on C. to D. of
7 .--- What do you think of the grammar book?.
--- Oh, it really is ______useful reference book, which is worth reading _______second time.
A. a; a B. an; the C. an; a D. the; the
8. Although it is not our normal _________ to give a discount in our shop, this time we will consider the matter more closely.
