If it ________ for the heavy rain then, we would have arrived here ahead of time.
On feeling the earthquake, the teacher stayed calm in the front of the classroom, __________ all the students to rush out of the classroom as quick-ly as possible.
The cigarette end thrown away by a careless farmer __________ the big fire and caused a great loss to them.
—Hi, Tina, we're going to Sam's house to celebrate his graduation. Would you like to __________ ?—Great! Let's go.
Mr. Black __________ out for shopping when he heard the telephone ring, so he had to stay for a while to answer it.
The new apartment built a few months ago is large enough to __________ over 500 people.