Stop ______ about the traffic. Just think about what we can do to improve it.

They hoped ________ the secret forever.

The hotel will  ________ breakfast, but we will have to go out for lunch and dinner．

  China supplies more than 90 percent of the world’s rare earth metals, but its reserves only ________ about one-third of the world’s total.

－This is Lucy speaking. Can we ______ snacks to the party?－No, we can’t.