24. The test was very difficult. Only five students in my class _______ it.(A) checked (B) passed (C
28. Joe: Mom, I don’t like to study at home by myself. Mom: Why don’t you join a study _____________
36. Tom: _____________ did you like the first part of the book?Sue: I liked it very much.(A) What (B
38. George always brushes his teeth _____________ he goes to bed.(A) before (B) after (C) when (D) i