1. ………………….traffic was bad, I arrived on time.    A. Despite      B. In spite of    C. However      D. Although 2. It takes me two hours ………………. that letter.    A. to write      B. write    C. writing      D. wrote 3. I’m tired of ………………. nothing to do at home.    A. to have      B. have    C. having      D. had 4. Please tell him to …………….. the light. It is getting dark.    A. turn up      B. turn on    C. turn over      D. turn off 5. I am sure I locked the door. I clearly remember …………………. it.    A. to lock      B. to have locked    C. locking      D. lock