If only I _______ your praise then! For, you see, I lost heart and gave up.
Reading books is very important for developing the students’ understanding of the world, _______?
He sat on the sofa, with his arms ________ and eyes _______ on TV.
_____ you make a promise, you should keep it.
Every time ______ they met, they would talk several hours together about the persons and things _______ they remembered in the middle school.
My boss insisted that I _______ the work before ten o’clock tonight.