In order to meet the deadline, Professor Smith along with his assistants the project day and night.
| A．work on | B．works at | C．is working on | D．are working on |
The twin sisters were shopping for hours on Women's Day and managed to ________ bags of bargains.
| A．come across | B．pick up |
| C．deal with | D．take in |
My mother and her old friends talked of some things and people ________ they remembered in the school.
| A．whom | B．which |
| C．who | D．that |
The Voice of China has set up a big stage for young people with a talent for music, ________ some of them have stood out among others.
| A．which | B．when |
| C．who | D．where |
Williams shows some challenging means ________ diners at their mystery lunch on Sunday might eat the special dish.
| A．after which | B．in which |
| C．by which | D．for which |
That scientist ________ work is successful has been made a model worker.
| A．which | B．who |
| C．that | D．whose |