rafting, ___ courage plays an important role, is a breathtaking outdoor sport.

________spending our vacation in a noisy crowded city,why not try hiking in the country

Is this the reason ______ at the meeting for his carelessnessin his work

We walked for two hours to get to the top of the mountain from ___we had fantastic views.

Either you or one of your students ________ to attend the meeting that is due tomorrow.