a) Have you done exercise 3 yet?
b) I can't come this afternoon. I'm taking an English exam.
c) Jack has done very well this term.
d) I'm afraid that you haven't done any progress.
e) Sue didn't know the answer so she took a guess.
f) You all look tired, Let's take a break.
g) This is a good composition, but you have done a lot of errors.
h) I think you should take yourself more seriously.
i) The teacher gave a lecture, and the class took notes.
i) Paul finds maths difficult, but he does his best.