用适当的介词填空1、Macaoretunedtoourmotherland

问题详情：

用适当的介词填空

Macao retuned to our motherland ______ December 20th, 1999.

Is it time ________ breakfast?

Hainan Island has a lot of typhoons ________ summer.

Tom visits his family ________ Christmas.

We go to the Reading Club_________ Monday and Thursday.

_________the Teachers’ Day, we send cards to our teachers .

We have 3 classes_________ the afternoon.

We knock__________ people’s doors. 9、He was born __________ 1994. 10、We go to school ___________ the age of 6.

【回答】

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知识点：介词和介词短语

题型：完成句子