赞题库-背景图

单项选择题

John had never been abroad before, ______he found the business trip very exciting.

A．because
B．though
C．while
D．so

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热门试题

单项选择题Only when we hurried to the airport______the fight was canceled.

A．we found
B．did we find
C．have we found
D．we have found

单项选择题How much does it______to take the online training course

A．cost
B．give
C．pay
D．spend