How long does a snake sleep? It ______ for eighteen ______ a day. A. sleep , hour B. sleeps , hours C. slept , hours
When the parents arrived at the hall, the students _______ their projects.
Tom Sawyer let his friends _______ a long fence by playing a trick one afternoon.
There are three English-books on the shelf, but ______ of them is mine.
The manager asked him if he ________for the extra work the next weekend.
The meat with eggs tastes ______. Would you like some more?