The reason for his success is ______ he worked very hard.
| A．why | B．that | C．whether | D．how |
is our belief that improvements in health care will lead to a stronger, more prosperous economy.
| A．As | B．That | C．This | D．It |
We won’t keep winning games we keep playing well.
| A．because | B．unless | C．when | D．while |
—Would you take this along to the office for me ?
— .
| A．With pleasure | B．That’s right |
| C．Never mind | D．Don’t mention it |
Not once ______to Michael that he could one day become a top student in his class.
| A．occurred it | B．it did occur |
| C．it occurred | D．did it occur |
Traditionally, college students hold a graduation ceremony to encourage themselves before they on their life journey.
| A．give up | B．settle down |
| C．get through | D．set off |