问题

You’d better call the airline to ____ your flight reservation a week before you leave for Ottawa. [ ]

A: confirm
B: calculate
C: charge
D: conquer

正确答案是：

同类题型

The patient’s son asked the doctor the question________his father could survive the big operation.[ ]

So sudden ________ that the enemy had no time to escape.[ ]

Who were those young people withnational flags in their hand—–A group_______themselves theVolunteers for the Westem Big Exploitation

I don’t thinkmath _______.

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