8 they have just have a meeting.
9 she hasn't read this book yet.
10 she is still reading.
11 who has written this?
12 what have you written to him?
13 I have just been to the dentist and I'm much better now.
14 he is lying,he hasn't done his homework.
15 why isn't he having dinner?he is still talking to his friend over the phone.
16 where has this lazy cat disappeared? She(it)is over there,is sleeping in front of the fireplace.
17 wait for me!I haven't taken money.
18 she is still typing her article.
19 we haven't seen her for a long time.
20 a granny and a grandpa have already visited their grandchildren.
21 they are sitting in the living room and talking about their trip now.
22 have you ever been to Africa?
23 he has done everything for her.Now he is going to buy a house for her.
24 The concern hasn't started yet and we are sitting in the hall and discussing our problems.
25 It's high time to talk about everything.
не могу не чем