Of the seven days in a week, Saturday is said to be the most popular _______ for a wedding in some countries.
The English test is difficult ________ interesting.
—Happy birthday!—________
—When _________he have P.E.?—He ________ it on Monday.
—______ you _____ your help, Linda.—You’re welcome.
At our great sale, we have skirts ________ red ________ 20 dollars.