I really don’t know how to thank you enough — _____

Health officials have tried to raise_______ about the H1N1 flu among all people

Can we run across the road now–No, we _______.We have to wait until the light turns green.

The company has produced a new type of computer. You will probably see the product _______ wherever you go.

Some young people like travelling by package tour, _____ like travelling alone.