A:/
B:the
C:an
How old ____ you?
小颖测得2m高的标杆在太阳下的影长为1.2m,同时又测得一棵树的影长为3.6m,请你帮助小颖计算出这棵树的高度.
Lucy was born ______ January 30th, 1998, when her sister got married ______ a fashion designer.