My mother and ......... will finish the shopping and come home by taxi .

When the students …… hard, they pass their exams.

My father doesn’t speak Spanish. …………………………&…

Mary was too tired to watch television last night… .......... she went to bed early.

The students have been working on their project ............................ several hours now. They must be tired.

I have been working on my term paper… ........... three days now.