HIS HABIT ______ SMOKING IN RESTAURANTS CAUSED MANY PROBLEMS IN CA...

85. - BAI LUYEN TAP VE DANG DANH TU DI VOI GIOI TU HAY CO DAP AN A1562
BAI LUYEN TAP VE DANG DANH TU DI VOI GIOI TU HAY CO DAP AN A1562

85. His habit ______ smoking in restaurants caused many problems in California.

A. of B. on C. about D. with