답변을 얻은 뒤 반드시 감사의 덧글을 남기고, 좋은 답변은 채택해 주시는 센스...
질문할 때 예의를 지키시기 바랍니다.(빨리... 고수분만..... 이런 식의 요구는 자제 바랍니다.)
질문 내용 :

꼭!! 풀어야 하는 문제들인데 해설지에 답이 안나와있네요ㅠㅠㅠㅠㅠ 기왕이면 약간의 설명도 부탁드려요ㅠㅠㅠㅠ
1. Even after your explanation, we still have _____ of questions. 1) a few 2) some 3) quite a few 4) anumber2. some teachers argue that students who _____ using a calculator may forget how to do mental calculation.1) uesd to 2) areused to 3) are about to 4)cannot but3.One other drawback, _____, isa landscape barren of restaurants.1) hardly is a killer 2) thoughhardly isit akiller3) though a killer is hardly4) though hardly a killer 4. Each word in our mental dictionaries ______ with its unique sound and meaning. 1) must store 2) must be stored 3) must is stored 4) must to be stored