The course books are _____ by four tapes, which are beneficial to beginners.
----How often do you eat out? ----__________,but usually once a week.
---I went to the beach and got plenty of rest. --- ________ You looked tired last time I saw you.
I like swimming, while what my brother enjoys ____.
Americans eat____ vegetables per person today as they did in 1990.
________ was most important to her, she told me, was her family.