基本信息
unit 3 a taste of english humour ⅰ.语法单句填空 1．up to now, the project hope ______(help) thousands of students who would otherwise have dropped out. 答案：has helped 考查动词时态。句意：截止到现在，希望工程已经帮助了成千上万的本来会辍学的学生。up to now常和现在完成时态连用。 2．we were finally able to make the custo
