You look worried. What happened— I lost my key. As a ___, I couldn’t get into my house.

I am going to Nanjing and stay there for a week. —____________you are there, would you please buy some books for me

When asked about this major trafficaccident, the policeman said it should not have _________ if the driver hadn’tbeen speeding.

The clothes need_______ but you_______ do that by yourself.

no means shall welet out the secret.—No, nocase shall we.