The traffic in the city was ________today, so Mary got home earlier than usual.
| A．heavy | B．weak | C．serious | D．light |
By serving others, a person focuses on someone other than himself or herself, ___________ can be very eye-opening and rewarding.
| A．who | B．which | C．what | D．that |
We shouldn’t spent our money testing so many people,most of _____are healthy
| A．that | B．which | C．what | D．whom |
---Where did you get to know her?
---It was on the farm we worked.
| A．that | B．there |
| C．which | D．where |
His movie won several awards at the film festival, ______ was beyond his wildest dream.
| A．which | B．that | C．where | D．it |
Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |