She _________ ten years ago.— You mean she _________ him for ten years

Mary’s aunt is trying to keep slim. It’s not good for her to have ________ too often.

Yangmi was famous ____ a singer.

rst time I ____ Todd, he ____ to some students at the English corner.

_______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian.