附条件民事法律行为的条件应当是______的事实。
A．已经发生 B．确定 C．法定 D．约定
参考答案：B
—Hurry up！Alice and Sue are waiting for you at the school gate.
—Oh！I thought they ________ without me.
A．went
B．are going
C．have gone
D．had gone
水刷石施工时阳角的（）应同时施工。
