題目如下
106 國營
22.It is important that the secretary _____ reservations for that particular
restaurant a week ahead of time.
(A)make (B)to make (C)making (D)will make
我知道B、C不合
故A、D在選，答案是A，為什麼不是mkaes? 不用第三人稱?
34.The public has different opinions on this issue. Some think it will be very
inconvenient when buyung drinks from tea shops, _____ others feel that it is
environmental friendly and tea shops should come up with new designs of cups
enabling customers to drink the beverage without using single-use plastic
straws.
(A)in spite of (B)when (C)which (D)while
我知道A、C不合
答案是D，想知道B跟D的差異是? 為什麼B不能選
謝謝各位大大幫我解惑

34 語意。while 有“然而”的用法。

It is important that A (should) do somethingshould被省略了

22是變形假設法，動詞前方省略should所以that子句的動詞要用原形動詞34的while和when都可以當連接詞，表示當...的時候不過while也可以表示讓步關係，可放句首或句中