We should do everything to protect the earth， we'll lose our home．（ ）
A．orB．soC．and
---Where is Peter?
--- He ___________ dinner for his parents at home.
| A．cooks | B．cooked |
| C．has cooked | D．is cooking |
---I saw Li Ming standing in the teachers’ office.
---Really? He _______ basketball with other boys on the playground just now.
| A．has played | B．was played |
| C．was playing | D．is playing |
─Jack to take part in Oxfam Trailwalker in Hong Kong.
─Oh，that’s why he is packing his clothes.
| A．went | B．was going |
| C．has gone | D．is going |
– Where is Jenny now?
-- She _____________ in the garden.
| A．works | B．is working |
| C．work | D．worked |
— Lunch is ready, Sandy. — Ok, I _______, Mum.
| A．will coming | B．am coming |
| C．is going to come | D．come |