All circles have the same________(形状).
Lily is very shy and she has difficulty________(表达) herself.
Though Jack had failed twice, he wanted to try a________(第三) time.
They recycle ________(空的) tins so as to use the metal.
Yuan Longping has solved the problem of hunger for many people in different parts of the world and we all think________(高度地) of him.
You don’t have to be on the receiving end. You’d better________(拒绝) if you don’t like the offer.
