(浙江金华)We________be more careful,or we will make the same mistake in the experiment.
--- What a ! You must clean up your room, Li Lei. --- Sorry, Mum. I’ll do it now.
---All the volunteers(志愿者) were very tired, but ____ of them had a rest. ---They were busy looking for the missing people.
---How far is it from Liaocheng to Jinan? ---It is a _______ train ride .
It’ time _______ a picnic. We can’t help _______.
---You look so sad. What has happened? ---Everyone _______ us to win, but we lost.