Grandma is ill. I have to ________ her at home.

My father stayed in Japan only a few months, _____he went through a series of hardship.

Elephants have their own way to tell the shape of an object and ________ it is rough or smooth.

The school bus picks up the students _______ the morning. [ ]

What ______ the number of the students in your school?—About two thousand. A number of them _____from England.