We had never done anything for our parents, _____ they had done everything for us.
A: whereas
B: where
C: what
D: when
A: whereas
B: where
C: what
D: when
举一反三
- He had never done anything for them, __________ they had done everything for him.
- 她从来没有为他们做过任何事，而他们为她做了所有能做的事情。 A: She has never done anything for them, whereas they have done everything they can for her. B: She has never done anything for them, on the other hand, they have done everything they can for her. C: She has never done anything for them, when they have done everything they can for her. D: She has never done anything for them, as they have done everything they can for her.
- He was criticized for _____. A: he had done it B: what he had done C: what had he done D: that he had done it
- The homework when they left. A: did B: had done C: had been done D: has done
- It was the first time _________ we had done the experiment. A: that B: since C: before D: when