The murder happened _______ between nine and eleven last night.
A：sometime
B：sometimes
C：some time
D：some times
The doctor had almost lost hope at one point, but the patient finally ______.
动物保护协会养了金丝猴和大熊猫共23只，其中有3只大熊猫，金丝猴有多少只？
-- It's snowing. I really want to run outside and make a snowman.
-- Why not have a snow ball fight instead? It's more exciting.
自制指南针时，要用磁铁沿____摩擦缝衣针。
