問兩道英語語法選擇題
1.______yesterday ________ he realized how serious the problem was.
A.Not until; did
B.It was not until; that
C.It was until; that
D.It was not until; when
A,B是不是都能選?
選A的話是倒裝,選B的話是強調(diào)句
我說的對么?如果不對,請指點正確答案,并告訴我若要選項正確,應(yīng)如何改正.
2.It was about 600 years ago__________ the first clock with a face and an hour hand was made.
A.that
B.until
C.before
D.when
我的想法:
在A,D中猶豫.
若A的話,是強調(diào)句
若D的話,It was +一段時間+before 句型
請指教~!