______ that the way people spend their holidays has changed a great deal in the past ten years.
-- Has your elder brother returned from Africa yet? -- Yes, but he _________ here for only three days before his company sent him to Australia.
-- Do you have enough to _____ _ all your daily expenses?. -- Oh, yes, enough and to spare.
In fact, more and more people ________ to live a greener, healthier and more environmentally “green life”.
The ____ boys were last seen ______ near the West Lake.
I hate _____ when people talk with their mouths full.