Do you know what Millie and Andy were doing at 8 o’clock yesterday?—Yes.While Millie ______ TV, Andy ______ a book in the bedroom.

Tom’s mother is ill. Now she stays ______. [ ]

The small child was not old enough tohimself.

The new thing is as big ______ a horse. [ ]

He wants to be a volunteer teacher in western China when he _______.