If I had liked that watch, may be I ______ bought it.

The pen won't write; it______ out of ink.

I could not ______ it even though I had wanted to do so.

Many birds will______ more than 3,000 miles to reach their winter homes.

Once Helen failed in her exam. She played too much. She______ too much.

I left my pen in this box, but it isn’t there now. Someone______ it.

It lost my Honda last week; I hadn't locked it. You______ it.

Mary received 100 dollars from her sister. She______ the ring she wanted. It only costs 10 dollars.

In 1900 the world had no deaths from rabies. Scientists______ wonderful vaccine.

The women of this tribe______ precious ornaments for slat because they didn’t have any salt.

I took my only son to the park but he didn't like it. You ______ him to the zoo.

Mary received 100 dollars from her sister. She______ the computer she wanted. It costs 200 dollars.

Did my sister tell you that I had been to Dalat?

She told me that she'd rather______ on the committee.

He______ his j ob because he seems very happy.

He didn't need______ out of his room in Moscow.