With the machine ____, she couldn't keep her eyes ___ in bed.
| A．burning, closed | B．burnt, close | C．to burn, closed | D．being burnt, close |
Martin __________ black people to fight for freedom.
| A．called up |
| B．called in |
| C．called for |
| D．called on |
1. It is difficult to __________ one twin from the other.
They almost don't __________ from each other.
| A．differ; distinguish |
| B．distinguish; different |
| C．distinguish; differ |
| D．tell; different |
—May I open the window to let in some fresh air?
—__________.
| A．Come on! |
| B．Take care! |
| C．Go ahead! |
| D．Hold on! |
When I saw the beautifully decorated house, I really wondered __________ she could manage that all by herself.
| A．why |
| B．when |
| C．where |
| D．how |
I__________ it to my parents that I have lived through those hard times.
| A．own |
| B．appreciate |
| C．thank |
| D．owe |