—Why didn’t apologize to her?
—She drove away I could say a word.
| A．before | B．after | C．until | D．unless |
Don’t turn on the radio __________ your mother allows you.
| A．unless | B．because |
| C．if | D．and |
He devotes ________to ________.
| A．himself; teaching | B．himself; teach |
| C．him; teaching | D．him; teach |
Only when it is hungry ______ a human being.
| A．a lion will attack | B．a lion should attack |
| C．will a lion attack | D．should a lion attack |
You’d better _______ your score and see if you have passed the exam.
| A．add up to | B．add to |
| C．add up | D．add |
In that big fire all their houses were__________, so they had to build new ones.
| A．hurt | B． harmed |
| C．injured | D． destroyed |