单项选择题

Have you ever spent a lot of time _________for a perfect Christmas present

A．search
B．to search
C．searching
D．searched
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单项选择题
Don''t worry. _________you work hard, yon are sure to pass the exam.
A．As much as
B．As well as
C．As soon as
D．As long as
单项选择题
The report showed us very clearly how the plane got______ and crashed in the end.
A．out of control
B．under control
C．into control
D．within control
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