Alice _____ to see her aunt if she _____ free tomorrow.
句意:如果艾丽斯明天有空,她会来看望她的姑姑。在含 if 引导的条件状语从句的主从复合句中,主句用一般将来时,从句用一般现在时,故答案为 C。
Don't forget the user name and password,_____ you won't be able to log in.
本题考查连词的用法。句意:不要忘记用户名和密码,否则你就登录不进去了。根据句意可知答案为 A。
—Tom,may I use your pen to _____ the application(申请)form?
—Sure. Here you are.
和 the application form 搭配的动词短语是 fill out。