ll take at least two hours to do this!— Oh, _______! I could do it in 20 minutes.

Our teacher is always busy preparing lessons until 11 o’clock at night, _____we students have gone to sleep.

Whether or not we can stay healthy ________ our eating habits.

The grass seeds which were sown in Spring are beginning to _____.

Oh, dear. What happened?— I ________ on the shiny floor and fell. [ ]