问题
选择题
Paper cuts which show the Chinese character for double happiness are often used ________ weddings.
A．to celebrating
B．to celebrate
C．celebrating
D．celebrate
答案
答案：B
考查词组：be used to do被用来做，句意是：表现中国汉字双喜的剪纸经常被用在婚礼上。选B。