But 16 that Christmas is just a few weeks away, 17 is a gift idea.
答案：(A) given
【句型】Given that... 是固定的分詞構句用法，表示「鑑於/既然」（等同於considering that）；give（原形動詞）、giving（現在分詞，這個固定用語習慣用given不用giving）、to give（不定詞）都不合這個固定用法。
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given、give、giving、to give 四個排在一起，你幾乎立刻就認定「這是文法題」，接著自動進入分詞構句的程序：找意義主詞、判主動被動、檢查有沒有垂懸。這條路一走就錯，而且錯得很有方向性——「聖誕節快到了」是主動的，照這個推法你會被推向 giving。這一格根本沒有意義主詞可找。
先看空格後面接什麼：that Christmas is just a few weeks away 是一個完整的 that 子句，逗號之後 here is a gift idea 又是一個完整的句子。要把兩個完整的東西接起來，空格要的是連接詞，不是分詞。given that 正是這樣一組已經定下來的連接詞，意思是「既然、鑑於」，等於 considering that 或 seeing that。它雖然長得像過去分詞，但整組轉成連接詞之後就不再帶著「被給予」的意思，也就不必去追誰給了誰（依 Greenbaum 與 Whitcut「Guide to English Usage」的分類，given、considering 這一類字單獨一個就能當介系詞用，後面接 that 子句時則當連接詞）。填進去讀一次：既然聖誕節只剩幾星期，這裡有個送禮的點子。這一型的題目要記住一句話：選項故意排成分詞的各種形態嚇人，其實只是在問你認不認得這個字，前後文再怎麼對齊也推不出答案，平常大量閱讀的人在這裡占便宜。
giving：現在分詞。若真要當分詞構句看，它的意義主詞得與主要子句的主詞一致，而主要子句是 here is a gift idea，找不到一個能執行「給」這個動作的人；何況分詞構句後面也不會直接掛一個 that 子句。give：原形動詞，句首沒有主詞可以搭配它，也帶不出 that 子句。to give：不定詞可以表目的（為了給……），但後面同樣掛不住 that 子句。三個選項的問題是同一個——它們都接不住那個 that 子句。
given that（既然、鑑於）、considering that（考慮到）、seeing that（既然）、provided that（假如）、a few weeks away（再過幾星期）、have everything（什麼都不缺）。
At times, it seems like there are not many things that we can give a student who has everything. But 16 that Christmas is just a few weeks away, 17 is a gift idea. Those who have an inclination for crazy technological advances aren't hard 18. One simple way is a few new items that might 19 life more enjoyable. They don't look too revolutionary, but you'd be surprised 20 they are capable of. The following is one of the items.
21 a student who is never on time, there is the new Projection Alarm Clock. Many ordinary clocks are hard to read early in the morning, deceiving students of the correct time, 22 causing them to be late for school. Through a projector, this attractive radio-alarm-clock is able to display the time onto a wall, ceiling, or anywhere 23. The benefits include an easier visibility of the time, and an alarm that gets increasingly louder 24 turned off. It won't magically transport a student to school on time every day, but it just might make 25 a little easier.