根据句意和所给汉语提示，写出空缺处单词的正确形式，每空一词。

June 1st is ________ (儿童) Day.

根据句意和所给汉语提示，写出空缺处单词的正确形式，每空一词。

The teacher asked us to take a ________ (仔细) look at everything in the lab.

根据句意和所给汉语提示，写出空缺处单词的正确形式，每空一词。

Everybody here is busy ________ (采购) for christmas.

词汇：根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式。（每空一词）

You'd better say that ________ (再). He can't follow you.

词汇：根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式。（每空一词）

I go to see my grandpa ________ (两次) a week.

词汇：根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式（每空一词）。

The country with the ________ (二) largest population in the world is India.

词汇：根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式（每空一词）。

After school, the children say to their teacher ________ (有礼貌地), “Good-bye”.

词汇：根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式（每空一词）。

Where is my bird?

It's just ________(飞) away. You mustn't catch birds again.

词汇：根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式（每空一词）。

He did most but was paid ________(少).

词汇：根据下面句子的意思及所给的汉语提示，写出空缺处单词的正确形式（每空一词）。

It's about one and a half ________(小时) ride from Baoding to Beijing by train.