The CD player will go wrong if you use it (care).
Shared bikes can help people travel around freely in cities without (污染).
Can we put another bed in this room?
Sure. It is big for a third one.
When talking to British people, we should (避免) subjects like age, weight or money.
With all her efforts, the children finally (接受) her as one of the family.
A long time ago it was (广泛地) believed that there was life on Mars.