Go along this street, turn ____ left and the hospital is on ____ left.

Do you know if _____ back next week If he_____ back, please let me know.

What do you usually do on weekends— I usually ______ my homework at home, but last weekend I _______ with my father.

How long ______ we take part in the college entranceexamination

．_______ we couldn’t understand was _______ more and more students went abroad after graduation