4 Complete the conversations with the correct
form of the present perfect simple or present
perfect continuous. Use the verbs in brackets.
A: How many emails have you sent (you/send)
today?
B:12... (not send) many - just ten or twelve!
C: How long .... (you/go) German classes?
D:About a month, but I 4.... (learn) a lot already!
E: 15.... (listen) to a new band quite a lot recently -
the 4tunes.
P: Really? 16.... (not hear) of them before.