Mr. Smith invited me to attend his wedding ceremony, but _____ seriouly ill, I refused his invitation. [ ]

I discovered that listening to is the secret Language learning.

He said it was this classroom _______ he found his lost watch and _____ he would take good care of it from then on

The top students ______ at the assembly today were awarded a pen and a notebook each.

There’s water all over the kitchen. You’d better _______ right away.