______ the work is difficult, all the workers are keeping on working .
| A．But | B．Although | C．And | D．So |
You need to brush your after .
| A．tooth eat | B．teeth eating |
| C．tooth eating | D．teeth eat |
The father is goodstories.
| A．at telling | B． for speaking |
| C．at talking | D．at saying |
I want to buy two pens. One is for myself,is for you.
| A．Other | B．Others |
| C．the other | D．the others |
Mary wants to know .
| A．where Bob lives in | B．where Bob lives |
| C． Bob lives where | D．where does Bob live |
—Do you need a new dictionary,Susan?
—No, Mom. My uncle bought meyesterday.
| A．one | B．it |
| C．the one | D．another |