The plane cannot ______ or land safely every time.

How did your students express their thanks to you on Teachers’ Day?—A gift together with many flowers ______ sent to me.

ly understand Shakespeare’s works, wemust read not only between the lines of his drama, but sometimes __________ thelines

It’s time you_____ some reading, otherwise the other students will leave you behind. [ ]

They usually have the medicine_______before putting into the market all over the country.