1 They're spending
2 I'm meeting Tom tomorrow.He's arriving
3.I'm building
4.isn't doing
5.What are the children doing .They're brushing
6.What are you doing,I'm fixing
7.I'm listening
8.He's sitting at the lecture and eating
9.They're smoking
10.I'm going
Объяснение:
1 They're spending
2 I'm meeting Tom tomorrow.He's arriving
3.I'm building
4.isn't doing
5.What are the children doing .They're brushing
6.What are you doing,I'm fixing
7.I'm listening
8.He's sitting at the lecture and eating
9.They're smoking
10.I'm going
Объяснение: