We are sorry that you _________ feeluncomfortable.

Look! Emma is_______ her bedroom. Her room is always_________.

What attracts people to California is its pleasant climate and relaxed lifestyle. —This is ____ each year a great number of people from all over the world try to ____ to California.

There’s no doubt ________ international cooperation is the key to ______ with cybercrime.(网络犯罪)

It was not until 1938 _________ the first colour TV programme was broadcast.