1). the detective … a mysterious letter in the cupboard. a) is finding b) found c) was finding 2. kathy was doing her homework while suzie … . a) was cooking b) cooks c) is cooking 3. john …, took a shower and left for work. a) was getting up b) got up c) get up 4. … when you rang the doorbell? a) were they sleeping b) did they sleep c) are they sleeping 5. my classmates were writing an essay when i … in the class. a) was walking b) walk c) walked 6. mary and tom … their house at 8 a.m. yesterday. a) left b) are leaving c) leave 7. we … to work when it started to rain. he … lunch at the moment. a) walked b) were walking c) used to walk 8. he … lunch at the moment. a) prepares b) was preparing c) is preparing 9. tom … to hawaii last month. a) used to go b) went c) go 10. i … to pay the bills last month. a) didn’t remember b) doesn’t remember c) don’t remember