举一反三
- Anything ______ can be done has been done.
- What has Tom already done A: Because her grandma works there. B: Because she has never been there. C: Because her grandma is in it.
- There is no need to hurry; the ______ of the work has already been done.
- I will never forget what she has done.
- It is no use (regret) ______ what has been done.
内容
- 0
________ research has been done into this difficult and complicated case, so we believe someday we can solve it.
- 1
Decoding determines whether understanding has been achieved during the communication process.
- 2
All ____ should be done has been done. A: which B: who C: whom D: that
- 3
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.
- 4
I am sure Mary has been here and （） A: did what required her B: has done what required her C: has done what was required of her D: did what has been required of her