20. Let’s not play video games too often. ______ not easy to pass（通過）the test, so weneed ______ hard
問題詳情
20. Let’s not play video games too often. ______ not easy to pass（通過）the test, so weneed ______ harder（更努力地）. (A) It’s; study (B) Let’s; study (C) It’s; to study (D) We’re; to study