教授资历考查：[单选] They happened to__________ for Tianjin when we got there.

题目：

[单选] They happened to__________ for Tianjin when we got there.

A . leaveB . have leftC . leavingD . had left

generally                              。 basically。 usually                                。 certainly。

exits              。 entrances         。 signs             。 doors。

Had she __________her promise, she would have made it to Yale University. looked up to                            。 lived up to。 kept up with                            。 come up with。

师生联系的功效囊括（　　）． 培养功效。 鼓励功效。 调节和控制功效。 社会功效 。

新颖培养兴盛的基础动机原因是（　　）． 高科技超过。 消费兴盛程度。 政事须要。 财产革新 。

They happened to__________ for Tianjin when we got there.

参考谜底：

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●  参考领会

happen to后接动词究竟，以是先废除C、D，而大概式表白的举措爆发于往日，故选B。