单选题]1.It is necessary that a college student ________ at lea

单选题]1.It is necessary that a college student ________ at lea [D17] It is necessary that a college student ______ at least 1.Do you think it is necessary for a college student to stud 一道单选题She is a teacher and works at the college._______.A.So it is necessary that a collage student _ a foreign language It is necessary that an efficient student ___his assignment 英语单选题It was dark.We decided to ________ for the night at a f It is necessary that parents should ________ the responsibil 几道英语单选题It is general believed that teaching is _____ it is a He is a student at a medical college now. 1 It is necessary for a student ______ in public. 英语翻译1.We think it necessary that young students (should) lea