Do you know 2019 is the year of the Pig？

Sure． The pig is ____ twelfth sign in the Chinese zodiac cycle（生肖）．（　　）

A．aB．anC．theD．/

Creative morning ____ are popular in our school．

Yes，we dance to fun music， such as the song Calorie（卡路里）．（　　）

A．examsB．exercises

C．examplesD．expressions

Nowadays more and more foreigners are becoming interested in Kungfu．

That's true． It's an important part of Chinese ____．（　　）

A．inventionB．storyC．cultureD．custom

The 55﹣kilometer HZMB（港珠澳大桥） opened to the public on Oct． 24th． 2018．

It is ____ cross﹣sea bridge in the wortd， linking Hong Kong， Zhuhai and Macao．（　　）

A．longB．longer

C．longestD．the longest

Thanks to our government， we can have a new library next week．

﹣That's great! And we will read books there ____ a month．（　　）

A．beforeB．inC．byD．until