.His daughter was disabled after a serious illness in 2003 and in the last seven years, he
money to help those children like his daughter.
| A．has raised | B．has been raising | C．had raised | D．was raising |
As a new graduate，he doesn't know ________it takes to start a business here.
| A．how | B．what | C．when | D．which |
The snow lasted a week, ________a serious traffic confusion in the whole area.
| A．causing | B．cause | C．to cause | D．caused |
About________of the workers in that steel works________ young people.
| A．thirdfifths; are | B．threefifths; is | C．threefifths; are | D．thirdfifth; are |
--- Did you tell Julia about the result? ---Oh, no, I forgot. I _____ her now.
| A．will be calling | B．call | C．will call | D．am to call |
_____ is known to us all that the sun rises in the east.
| A．As | B．That | C．Which | D．It |