答案解析:
1.答案:When to tell a white lie
详解:
考查“疑问词+不定式”结构作主语:该句空格部分为主语,可用疑问词when加不定式结构作主语。
考查短语:“说善意的谎言”译为tell a white lie。
2.答案:but that others performed better//but that others have had a better performance
详解:
考查由not that…but that结构连接的表语从句。
考查时态:本句中not that引导的分句用现在完成时态,因此but that引导的分句也要相应使用现在完成时。