I've done everything I can think of to help her. I don't know what else ______.
A: do
B: doing
C: to do
D: to doing
A: do
B: doing
C: to do
D: to doing
举一反三
- You don't know about the difficulty I had ______ the work then at all. A: done B: to do C: for doing D: in doing
- I don’t know _________. A: why do this B: why having done this C: why doing this D: why we ought to do this
- I can't imagine______that with him. A: being done B: doing C: do D: to do
- Mary: What are you working on Susan: I"m doing some embroidery. Mary: ______ Susan: I don"t do very much, just for very special occasions. A: I didn"t know you did needlework. B: I think you have done a good job. C: Where did you learn to do needlework D: Why do you do needlework
- I meant （）, but when I was leaving I couldn’t find her anywhere. A: to do B: to C: doing D: doing to