Look at the pictures and choose. If you don't fill in the serial number, should you fill in the word or the serial number?

Fill it in if you can, or you can write your own number in the blank. This proposition is not rigorous. Generally, this question may be invalid because the answers caused by such mistakes are uneven.

Serial number: serial numbers, such as 1, 2, 3, 4 ... capital letters can also be used for counting, such as 2, 3, 4 ... serial numbers can clearly distinguish similar things, and can also be used as subheadings of article serial numbers.

Arabic numerals are followed by black dots.

2. Chinese characters are followed by stop signs;

3. Use commas after "first", "second" and "third";

4. The serial numbers with brackets and circles are no longer followed by garton, comma, etc.

Five, "the first part", "the first chapter", "the first part" or "one" after punctuation, and add a blank Chinese character position between the following words.