—I’d like to invite you to my new house next weekend.—Thank you, but ____ I’ll have time I’m not sure at the moment.
25. —Your mother becomes more and more forgetful. — Yes. She searched for her cell phone for a whole day last Sunday but it ______ in her coat pocket the next day.
24.-How do you like our restaurant? -I couldn’t have found a ________ one.
23. Don’t try to cheat the taxman(税务人员); you’ll never ______it.
22. —Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
21. He apologized ________ late.