ill people die of in 100 years If you thinkthat is a simple question, you ______ attention to the revolution taking placein biotechnology.

My grandfather _____ smoking, but only smokes when he is free. [ ]

Lily eat lots of desserts after supper last year, so she was very fat then.

Do you drink—.It’s years since Idrank.

eme, I wonder if you can help me—Sure_______