萬事萬物皆有法，英語當然也不例外。下面是小編整理的2017年託福語法考試練習題及答案，希望對大家有用，更多消息請關注應屆畢業生網。
1. _________， domesticated grapes grow in clusters， range in color from pale green to black， and contain sugar in varying quantities.
A. Their botanical classification as berries
B. Although their botanical classification as berries
C. Because berries being their botanical classification
D. Classified botanically as berries
答案：D
分析：句子的主語是grapes ， 後面是平行結構grow…， range…， and contain…。空格後的句子已完整，那麼空格處就應該是同位語，狀語從句，分詞等修飾成分。A中Their指代不明，而且classification和berries也不相符，錯;B中Although爲conj.，後面應該是完整句，錯;C中Because爲conj.，後面應該是完整句，錯。
參考譯文：培植的葡萄的植物分類跟漿果是一樣的，它們成串的長在樹上，顏色從灰白色到黑色，並且包含由不同數量的糖份。
2. The cymbal is ________ in the military band and is also frequently used in modern orchestral music.
A. a basic instrument
B. basic instrument
C. how basic an instrument it is
D. as an instrument is basic
答案：A
分析：instrument可數，前面應該有限定詞前爲一簡單句。
參考譯文：鐃鈸在軍樂隊裏是一個基本的樂器，而且還經常在現代管絃樂裏使用。
3. In instrumentalist philosophy， ideas and knowledge are exclusively functional processes： they are of significance only _________ instrumental in the development of experience.
A. as they are
B. are they
C. there are
D. are
答案：A
分析：兩個謂語需要有一個conj.來連接。一個句子中出現2個謂語且沒有連接詞就一定錯。
參考譯文：在樂器演奏家的哲學裏面，思想和知識是專有排外性的功能性的過程。他們的重要意義僅限於在經驗發展的`過程中，用於樂器演奏。
4. _________ either by cooling or by depriving the fire of oxygen， and most do both.
A. Working fire extinguishers
B. Fire extinguishers that work
C. Fire extinguishers work
D. The work of fire extinguishers
答案：C
分析：空格中缺主謂。A中沒有謂語;B中that多餘，因爲句中只有一個謂語;D也沒有謂語。
參考譯文：滅火器的通過冷卻或者減少火中的氧氣的方法工作的，大多數時候兩個方法都會用到。
5. The introduction of mass-production methods enabled many people _________ and gave them an unprecedented amount of mobility.
A. to purchase their own automobiles
B. their own to purchase automobiles
C. to their own purchase automobiles
D. own their automobiles to purchase
答案：A
分析：爲固定結構enable sb to do sth.
參考譯文：規模生產方法的產生，使得人們能夠買自己的車，並獲得了空前的靈活性。
