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
第二节 语法和词汇知识（共15小题，每小题1分，满分15分）
6. They _______ on the program for almost one week before I joined them, and now we ______ on it as no good results have come out so far.
A. had been working; are still working B. had worked; were still working
C. have been working; have worked D. have worked; are still working
7. --We really enjoy ourselves at the party. Thanks again, Mr. and Mrs. White.
-- .Just drop in whenever you feel like it.
6. They _______ on the program for almost one week before I joined them, and now we ______ on it as no good results have come out so far.
A. had been working; are still working B. had worked; were still working
C. have been working; have worked D. have worked; are still working
7. --We really enjoy ourselves at the party. Thanks again, Mr. and Mrs. White.
-- .Just drop in whenever you feel like it.
