We won't go to the Great Wall if ______.
A. [A] it rains
B. [B] it will rain
C. [C] it is raining
When my grandpa became ill, my father ______ the doctor at once.
A. [A] sent for
B. [B] asked for
C. [C] looked for
She usually gets up early, ______ she
A. [A] does
B. [B] is
C. [C] doesn't
Don't speak to him. He ______ to the weather report.
A. [A] listens
B. [B] is listening
C. [C] has listened
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