_______, you will get used to the life here and have your understanding of life.
| A．As time going by | B．With time passing out |
| C．As time goes by | D．With time goes by |
It is pretty well understood _______ controls the flow of carbon dioxide in and out the atmosphere today.
| A．that | B．when |
| C．what | D．how |
“What were you trying to prove to the police？” “___ I was last night.”
| A．That | B．When |
| C．Where | D．What |
. Patience is a kind of quality — and that is ___A___ it takes to do anything well.
| A．what | B．which |
| C．which | D．how |
They lost their way in the forest, and _______ made matters worse was that night began to fall.
| A．it | B．which |
| C．that | D．what |
He told me the news, believe it or not, ______ he had earned $1 000 in a single day.
| A．that | B．which |
| C．as | D．because |