____ is known to everybody, the moon travels round the earth once every month.
| A．It | B．As | C．That | D．What |
I saw a woman running towards me in the dark. Before I could recognize who she was, she had run back in the direction _______ she had come
A. of which B by whichC. in whichD. from which
Women _______ drink more than two cups of coffee a day have a greater chance of having heart disease than those ______ don’t.
| A．who, / | B．/ , who | C． who, who | D．/, / |
We are just trying to reach a point ______ both sides will sit down together and talk.
| A．where | B．that | C．when | D．which |
—Do you have anything to say for yourselves?
---Yes , there’s one point ____ we must insist on.
| A．why | B．where | C．how | D．/ |
She was educated at Beijing University, _____ she went on to have her advanced study abroad.
| A．after that | B．from that | C．from which | D．after which |