【推荐1】Seven ________ (十二) of the students took part in the activity last weekend.

【推荐2】She is ________ years old. Today is her ________ birthday. (twelve)

【推荐3】The language lab is on the ________ floor. (twelve)

【推荐1】It is my brother’s ________ (twelve) birthday today. We have a big dinner together.

【推荐2】Tomorrow we will have a big party to celebrate my brother’s ________ birthday(twelve)

【推荐3】—What is the __________（十二）month of a year? —It’s December.

【推荐1】Complete the sentences with the given words in their proper forms(用括号中所给单词的适当形式完成下列句子，每空格限填一词):
1. The team are working on a couple of unsolved ________ of this century. (mystery)
2. Many important events were held in the ________ half of the year. (two)
3. The ________ is so exciting that you can have a lot of food for thought. (speak)
4. There’s a large ________ of soft drinks to choose from in this store. (various)
5. It’s a pity that the world famous church was ________ damaged by a fire. (serious)
6. The report says the faster you read, the ________ you understand what you’ve read. (little)
7. It’s worrying that some students are ________ of the risk of playing computer games. (aware)
8. Don’t forget to ________ the date, the price and the signature on the contract. (examination)

【推荐2】Complete the sentences with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子，每空格限填一词）
1. _________were working out a plan to repair the bridge.（engineer）
2. About one billion people speak English as a native or       _________language.（two）
3. People don’t usually live in flat in our country. What about in _________ ?（you）
4. Social networking is a_________tool with which one can grow their business.（power）
5. _________, this fine old theatre was destroyed by fire in 1993.（sad）
6. For my next trick, I will make the balls in my hands_________.（appear）
7. Before you take the_________, always read the instructions on the bottle.（medical）
8. The company is providing a new way to_________our photos into albums.（organization）

【推荐3】Lily gets off the bus at the ________ stop. (two)