Forests help to keep water from running away, （ ） drought does not often happen.
（A）and
（B）but
（C）so
（D）though
How can I wake up so early? — Set the alarm at 5 o’clock, （ ） you’ll make it.
（A）but
（B）or
（C）and
（D）so
She doesn’t speak our language, （ ） she seems to understand what we say.
（A）yet
（B）and
（C）or
（D）so
