第1题: [单项选择]You______ engage in serious debate or discussion unless you are willing to endure attacks. A. have better not B. had better not C. have better not to D. had better not to 参考答案:B 答案解析:【翻译】你最好不要卷入严肃的争论或者讨论之中，除非你愿意承受攻击。
【解析】情态动词用法
第9题: [单项选择]We gave out a cheer when the red roof of the cottage {{U}}came into view{{/U}}. A. began to be seen B. began to see C. go to someplace D. looked at 参考答案:A 答案解析:come into view为固定词组，意为“看得见”，相当于begin to be seen。
