Very little () they had made an important discover), in science.
A: they realized
B: they realized what
C: did they realize
D: did they realize what
A: they realized
B: they realized what
C: did they realize
D: did they realize what
举一反三
- It was only then ______how much trouble I had caused to him. A: had I realized B: I did realize C: that I realized D: did I realize
- It was only then（）how much trouble I had caused to him. A: I just realized that B: had I realized C: that I realized D: I did realize E: did I realize
- Only then_______________ that he had lost the chance of achieving his dream. A: he realized B: did he realized C: did he realize D: he did realize
- Not until John had heard the cry, _____________. A: he realized the dange B: did he realize the dange C: he did realize the dange D: the danger realized he
- Not until all fish died in the river _________ how serious the pollution was. A: did the government realize B: the government realized C: the government did realize D: had the governemnt realized