Not only Susan but also Sandy _________abroad for traveling. They will return next Sunday.

We were told by our teachers that light________faster than sound[ ]

More than two hundred years ago the United States _______ from the British Empire and became an independent country.

Do you think that English is _______ useful languange — Yes .It’s very usefull.

How long have you been going to work on foot?—Since last month when I ________ from a heart attack