Please tell me how the accident _______.I am still in the dark.
| A．came by | B．came upon |
| C．came to | D．came about |
I can tell you _________he told me last week.
| A．all which | B．all what | C．that all | D．all that |
This is the very place _______I’m wishing to live in.
| A．where | B．which | C．that | D．in which |
Please pass me the dictionary _______cover is black.
| A．which | B．its | C．whose | D．which of |
We should learn from those ________ are always ready to help others.
| A．who | B．whom | C．they | D．that |
—As a student, we should study hard.
— Yes, ______ we study, ________ results we’ll get.
| A．the harder; the good | B．the harder; the best |
| C．the hard; the better | D．the harder; the better |