Câu 9: Hoa spends her free time _______________ street children. (help) Câu 13: We have to cook the dinner ………………. Câu 14: This shop offers a wider selection of _________. (produce) Câu 16: You’d better do some …………………………..for the final exams. ( revise) Câu 17: _______________, they had enough time to finish the job. (fortunate) Câu 18: Na ………… a new comer to the neighborhood since last week( be) Câu 19: The stores in the mall will offer a wide …………………….. of products and goods.