1.这里到处都是志愿者 we can see volunteers everywhere（或in all places）
2.她和我的年龄相当（或她和我同龄）she is as old as I am3.我会帮我的姐姐（或妹妹）买一辆新的自行车 a new bike will be bought for my sister
4.超过200个人去了这个动物园 over 200 people went to the zoo
5.你能修（好）我的自行车吗?could you repair my bike?