The majority remained in ______ we now know as California to make a life.
| A．where | B．which | C．that | D．what |
Perseverance is a kind of quality, and that is ______ it takes to do everything well.
| A．why | B．that | C．what | D．which |
Jane has been so ______ in getting used to everything that she hasn’t had time for social activities.
| A．confused | B．worried | C．devoted | D．occupied |
As the busiest woman in the village, she made ______ her duty to look after all the other people’s affairs in that village.
| A．this | B．that | C．one | D．it |
To qualify yourself for this kind of new job, I recommend that you ______ some online courses.
| A．to take | B．taking | C．take | D．would take |
The driver started to speed up to ______ for the hour he had lost in the traffic jam.
| A．keep up | B．take up | C．make up | D．catch up |