是用Class begin 还是Class begins
是用Class begin 还是Class begins
是Class begin.还是Class begins.还是Classes begin.为什么?
是class is begin还是class begin
是class starts 还是class begin
是before class begin 还是before class is begin
Let's _____our class.begin begins
Class begins为什么Begin要加S
"class begin"还是"classes begin"?
class 由被动的吗?比如说上课 是 class begins 还是 class is begun?
Class begins
begins class和classes begin为什么加s?
为什么classes begin中classes变class时,begin变begins