Look! There __________ some bread on the bowl.

Professor Smith，along with his assistants，       on the project day and night to meet the deadline.

The country’s population ______ small, and most of its population ______ in the mountainous areas．

We live day by day, but in the great things, the time of days and weeks ____ so small that a day is unimportant.

Playing football and watching TV ________ both interesting.