单项选择题

A．Wasted time.
B．Connection costs.
C．Lost emails.
D．All of the above.
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单项选择题
A．Nutrition.B．Ecology.C．Medicine.D．Geology.
A．Nutrition.
B．Ecology.
C．Medicine.
D．Geology.
单项选择题
A．She’s on a special diet.B．She doesn’t like to eat in the canteen.C．She thinks the canteen is too expensive.D．She had no money with her.
A．She’s on a special diet.
B．She doesn’t like to eat in the canteen.
C．She thinks the canteen is too expensive.
D．She had no money with her.
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