— I am going to the dentist at 4 o'clock and it is 3：30 now.
— Well, if you ______ leave earlier today, please ask the director for permission.
| A．can | B．may | C．must | D．will |
Correct the mistakes in the passage ___.
| A．if there are some | B．if any | C．if some | D．if it is any |
Having a good teacher has ___ for the naughty Alex.
| A．made a point | B．made a difference | C．made a sence | D．made a progress |
In case of ___ fire, break the glass and push ___ red button.
| A．/, a | B．/, the | C．the, the | D．a. a |
He got ____ when he tried to save the child from the ___ house.
| A．to burn, burning | B．a burn, burnt | C．burning, burned | D．burned, burning |
My chest ___ when I take a deep breath, doctor.
| A．hurts | B．wounds | C．harms | D．injures |