Some passers-by witnessed the car accident ______ five passengers were killed, a baby included．
| A．where | B．which | C．that | D．when |
—I'm sorry I made a mistake!
—________. Nobody is perfect.
| A．Take your time | B．You're right |
| C．Whatever you say | D．Take it easy |
He jumped out of bed and ran to the door to see ________ the parcel was for.
| A．who | B．why |
| C．where | D．what |
It is important to introduce children to healthy nutritious foods from ________ they begin to eat solids.
| A．what | B．when |
| C．that | D．which |
Suppose we meet with a situation ________ none of us can deal with, what then?
| A．where | B．when |
| C．what | D．that |
It is announced that big prizes will go to ________ finishes the assignment on time.
| A．whom | B．who |
| C．whomever | D．whoever |