She much work recently.
A: have done
B: did
C: does
D: has done
A: have done
B: did
C: does
D: has done
举一反三
- What____Jane by the time she went back home? A: did; do B: has; done C: did; did D: had; done
- There were surprised at what I ______. A: did B: had done C: has done D: does
- 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.
- DU = 100 J is for a system that gives off 100 J of heat and ( ) A: does no work B: does 200 J of work C: has 100 J of work done on it D: has 200 J of work done on it.
- Mr. Smith insisted that he ________ the work all. A: had done B: have done C: did D: so