[文法] when

[GooLoo (平凡)]

這兩題選錯了!>"<
有人可以分析一下這兩題在考什麼嗎?
不太瞭解為什麼選這答案

15. These pictures __c______ when we took a trip to Kenting National Park.

 (Ａ) took
 (Ｂ) will take
 (Ｃ) were taken
 (Ｄ) will be taken

17. Oscar: I'm going to the museum. Bus Number 286 goes there, _b_______?
David: Yes, but you can take a Number 287, too.

 (Ａ)does it
 (Ｂ) doesn't it
 (Ｃ) is it
 (Ｄ) isn't it

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◆ From: 114.32.236.35
→ redfish0206:15題考的是過去式和被動語態。
→ redfish0206:在「我們去墾丁國家公園旅行」這個過去的時間點，
→ redfish0206:照片被拍攝。
→ redfish0206:17題考附加問句。
→ redfish0206:主要子句是肯定句時，附加問句就要選擇否定句。
→ redfish0206:反之，若主要子句是否定句時，附加問句就選肯定句。
→ GooLoo:瞭解