—Believe it or not，my sister and I are twins.
—Oh，you must have had the case________you were taken for your sister.
| A．which | B．whose |
| C．where | D．whom |
—I really don’t know how to thank you enough .
—.
| A．No problem | B．Think nothing of it |
| C．Not at all | D．It doesn’t matter |
—Mark broke his leg when he was playing football .
—was that ?
| A．Since when | B．Since when ago | C．How long | D．How long ago |
The brake of your bicycle has come loose . You’d better it .
| A．settle | B．fix | C．pick | D．correct |
Our ancestors celebrated birth of child by giving away red eggs .
| A．the ; a | B．the ; the | C．不填; a | D．不填； the |
I didn’t know the girl youthe sheep.
| A．had fed | B．had her fed | C．had feed | D．had to feed |