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
Up to now not only the students but also their teacher ______ the football club.
A．joined
B．has joined
C．have joined
D．joins
单项选择题
After Jane's husband died, she suffered a good deal of ______ over the years.
A．unfortunate
B．fortunate
C．misfortune
D．misfortunate
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