According to the passage, if 20 patients with Alzheimer’s disease go for a walk, about ___ of them may get lost.

(单选题)It was out of ______ that Professor Botta, the author of sev (单选题)Many of our memories are ______, escaping our consciousness (单选题)Which of the following sentences is incorrect? (单选题)Which of the following sentences expresses OFFER? (单选题)I can smell something ______ in the kitchen. (单选题)The following sentences have an indirect object except _____ (单选题)No sooner ______ than a student came to visit her. (单选题)Marty’s disability is “one in a million”. ______, there are (单选题)Jean Wagner’s most enduring contribution to the study of Afr (单选题)Some insects’ wings vibrate so fast ______ the movement is i