Mary, stop to have a rest. You _________ the flowers in your garden for nearly two hours.
| A．are watering | B．were watering |
| C．water | D．have been watering |
She won a Nobel Prize for her scientific ______.
| A．interests | B．achievements | C．behavior | D．observation |
The flowers ______ my mother, but my sister thought they were for her and took them.
| A．were intended for | B．intended for |
| C．intended to give | D．intended giving |
I wanted to have the paperby the end of this month.
| A．finish | B．to be finished | C．finished | D．being finished |
I will answer the teacher’s question when _______.
| A．I ask | B．I will be asked | C．asked | D．I shall be asked |
She decided to apply _____ the boss _____ the new position .
| A．to ；to | B．for ；for | C．to ；for | D．for ; to |