题目

 My teacher often helps me ______ my English. ______ her help I have caught up _____the class.A. with, Under, to B. of, With, withC. in, Under, with D. with, With, with 答案： B.Mr. Green _______ to Beijing two weeks ago. He ______ there many times.A．has gone; has beenB．went; has beenC．has gone; wentD．went; went