A smile ________ the mother's face when the son walked onto the platform to receive the prize.
| A．lit up | B．brought up |
| C．put up | D．took up |
They live in a small house，and in front of ________ stands an orange tree.
| A．which | B．it |
| C．whom | D．where |
The road conditions there turned out to be very good，________ was more than we could expect.
| A．it | B．what |
| C．which | D．that |
________ I explained on the phone，your request will be considered at the next meeting.
| A．When | B．After |
| C．As | D．Which |
Today，we’ll discuss a number of cases ________ beginners of learning English fail to use the language properly.
| A．which | B．as |
| C．why | D．where |
The settlement is home to nearly 1,000 people，many of ________ left their village homes for a better life in the city.
| A．whom | B．which |
| C．them | D．those |