The backpack is_____ sale_____ only fifteen yuan.
| A．on; at | B．for; in |
| C．at; for | D．on; for |
—What does your mother do？
—She is________．
| A．reading |
| B．in the factory |
| C．a teacher |
| D．from the USA |
My parents are________TV now．
| A．reading |
| B．looking |
| C．watching |
| D．seeing |
My mother is________cakes．She often________cakes for us．
| A．make，making |
| B．making，makes |
| C．do，doing |
| D．doing，does |
—Could you help me do the dishes？
—Sorry，my sister________for me outside now．
| A．waits |
| B．will wait |
| C．is waiting |
| D．was waiting |
I will face the difficulties bravely________hard they are．
| A．whatever |
| B．wherever |
| C．however |
| D．whoever |