Many people would like to live ____________(商业区) for it is more convenient for them to shop.
A____________(要求) for visitors not to touch the exhibits is made in the exhibition center.
He worked as a nurse on the children’s ____________(病房)．
The ________(年长的) of their two sons is a doctor.
He is always wearing an old pair of ____________(穿坏的) jeans.