Lily has been in love with Tom ___ since she met him last year.

By working slowly but surely towards your goal, you’ll _____ succeed.

30．---- Do you think it's a good idea to make friends with your students?---- _____ , I do. I think it's a great idea.

Scientists will have to come_______ new methods of increasing the world’s food supply.

It’s true that the old road is less direct and a bit longer. We won’t take the new one, _______, because we don’t feel as safe on it.