Lily, could you please pass me the I want to cut the apple.—Sure, here you are.

. As there is less and less coal and oil, scientists are exploring new ways of making use of ______ energy, such as sunlight, wind and water for power and fuel.

Children under sixteen are not permitted to participate in such kind of activities _____ bad for theirmental development. [ ]

I’m new in Wuxi. — Take a map of Wuxi with you.You’ll find it of great ________ in helping you to get round Wuxi.

The doctor _______ on the man and _______ saved his life.