Along the either side of the street _______ two lines of trees.
I would appreciate it _______ you call back this afternoon for the doctor’s appointment.
We won’t keep winning games _______ we keep playing well.
—What time do we have to be at the gate? —_______ passengers start to board the plane.
Simon thought his computer was broken _______ his little brother pointed out that he had forgotten to turn it on.
Don’t be afraid of asking for help _______ it is needed.