2 B, a hobby at this time is just like doing it, followed by gerund.

3 A, why haven't you sent it yet? Now emphasize the consequences.

3 A, paying back the money, also means coming back.

4 B, language sense problem,

5 A, obviously I didn't do it until I got home

6 B, deal with by means

They have only been in London for five months.

8 B, I hate being with older children. Speaking means giving orders.

9 C means as soon as possible.

10 D, fixed collocation.