4I dont know____he will join us or not

We need friends to ________, or we will feel lonely（单选）—4分

29．__________ when you are on the bus or bike．

Either he or I ______to the airport.

Mother ______ us stories when we were young.

When the father became seriously ill, he and his son were ______.

Virginius would feel more or less guilty when he______.

Virginius would feel more or less guilty when he _____.

I remembered the day when World War II finished I was eight or nine at the time , and we heard it ___ when we were at the table

I remembered the day when World War II finished I was eight or nine at the time , and we heard it ___ when we were at the table

—What were you doing when we were playing basketball yesterday afternoon?—I ______ the classroom.

—We have to stop talking here. Listen, _____!—Hurry up, or we’ll be late.