单项选择题
The credit card makes it unnecessary to carry a large a large amount of cash with you and can be used to_____ an emergency.
单项选择题 The Red Cross is one of the organizations_____is to help the sick and the needy.
单项选择题 A:Good afternoon. I’d like to book a table for two for 7: 30 this evening,please B:__________________
单项选择题 It is impossible _______this task within five days.
