【简答题】完形填空。 Bob and Jane are 1 They live in a small house. The house is 2 a busy street Near their house 3 a supermarket. There are four people in the family: Bob, Jane, their father and their mother. Their...
【简答题】What accounts for the high drop-out rates for online students? A) There is no strict control over the academic standards of the courses. B) The evaluation system used by online universities is inheren...