—I  have  no  idea ____________   tell her  the  bad  news. —I think tomorrow is the best time.

Mr Li taught me     in the river when I was a child.

Teachers’ job is ______ the students learn well.

— Do I have to sell my old computer? It almost stops working. — You ________ do so, it only needs ________. Something has gone wrong with it.

 How much time did you spend ________ a bargain?