1. All the information must be __________(处理) before we get the final result.
2. The guests __________ (抱怨)to the waiter that the fish was too small.
3. Some people have made their suggestions __________ (关于) the terms of the contract.
4. As a coach, he knows what __________（优点） and weaknesses his athletes have against their rivals.
5. Denmark __________ (重新利用) nearly 85% of its paper.
