________ operation was very successful indeed，which was ________ comfort to the concerned mother.
| A．The；/ | B．An；the |
| C．An；a | D．The；a |
It was thirty years _______ he was invited as an outstanding alumnus to celebrate the 128th anniversary of the university.
| A．as | B．while |
| C．before | D．until |
I prefer buying a new flat in Pudong New Area to living in _______close to Jing'an Temple, as I want to live with my parents in Zhangjiang Hi-Tech Park.
| A．it | B．that | C．one | D．the one |
Before selecting curtains for your newly-decorated house, it’s important to know what color look great ________ the wall paper.
| A．on | B．with | C．in | D．against |
When asked what they would volunteer to do, ________ said they were willing to do something they could.
| A．half of these | B．half of which |
| C．half of whom | D．half of them |
Emphasis is laid on the necessity that all the objectives to be attained _______ into account before starting a new project.
| A．be taken | B．should take |
| C．would be taken | D．have to be taken |