1дм кубический =...см кубический

Задание брата, совсем запуталась как делать.

Нужно открыть скобки.

1) Sam (to like) sports. He (to go) to the swimming pool every day. What he (to do) now? I think he (to swim) now. 

2) We usually (to have) breakfast at 8 o'clock. It's Saturday today. It's 9 o'clock. We (to have) breakfast now.

3) Little Liz (to clean teeth, to wash hands and face) every morning. Where (to be) she now? She (to take a shower).