Beans and nuts can be a good source of (a)   for those who don't eat meat, eggs, or fish.

對不吃肉、蛋或魚的人來說，豆類與堅果是蛋白質的好來源。

Sally usually only drinks a glass of milk for breakfast. In (a)   , her sister often has a full breakfast, which includes two slices of toast, eggs, bacon, juice, etc.

Sally常常早餐只喝一杯牛奶。相比之下，她的妹妹常會吃一頓完整的早餐，包括兩片吐司、蛋、培根、果汁等。

Ariel made the (a)   mistake of not going over her exam paper before turning it in. That's why she didn't get a high grade on it.

Ariel犯下沒有在交卷前檢查考卷的典型錯誤。那就是為什麼她沒有拿高分的原因。

The foreign student (a)   himself to life in Taiwan well. He has made some good friends and acted like a local.

這名外籍學生對臺灣生活適應良好。他交到一些好朋友，並且舉止有如本地人。

Judy is such a smart teacher. She can explain (a)   math problems in an easy way.

Judy真是位聰明的老師。她可以用簡單的方式解釋複雜的數學問題。

The basketball player missed a perfect (a)   to score, and this caused his team to lose the game. 那名籃球員失去得分的完美機會，而這讓他的隊伍輸掉球賽。

The bag is (a)   because it was designed and made all by myself.

這個包包是獨一無二的，因為它完全是由我自己設計和製作出來的。

I invited Emma to join our team of the new project, but she t______ d______ my proposal.　

我邀Emma加入我們新的專案團隊，但她拒絕我的提議。

(a)  

The police d______ i______ the criminal's past and found that she had had an unhappy childhood.　

警方探究這名罪犯的過去，發現她有段不愉快的童年。

(a)  

I can't imagine how Seth's parents can ______ ______ with him. He gets angry so easily and makes complaints all the time. 我無法想像Seth的父母怎麼忍受得了他。他這麼易怒，又總是在抱怨。

(a)  

Always (a)   your goal in mind, and try your best to achieve it.　

永遠記住你的目標，並盡全力去達成。

Aunt Patty thinks of me (a)   her own daughter; she loves me and cares about me a lot.　

Patty阿姨把我看作她的女兒；她非常疼愛和關心我。

At the dinner table, the hungry children started to eat right after their mother said, “ (a)   !”

餐桌上，這群饑餓的孩子在媽媽說：「開動！」後，馬上就開始吃了。