9. We **have never been** to Africa, but we **spent** a month doing a geography project on Africa last year.
10. Tim **spent** a month doing **(check)** his essay for spelling mistakes before he **handed** it to Ms. Jamieson this morning.
IX. Choose the best answer to complete the sentences.
1. We **C. bought** some sandwiches and fresh fruit for our last week's picnic lunch.
2. **A. Did...have** you a good time at your best friend's birthday party last night?
3. My first cousin **C. visited - had suffered** his doctor because he **with a heavy cold**.
4. Why **C. did...withdraw - had prepared** you from the competition? You **for it very carefully**.
5. Mr. Clark and Ms. Sinclair **B. Had...founded** their charitable organisation before 2000?
6. Alice and Bob **C. finished - had played** their history homework assignments before they **Monopoly**.
7. By the time they **A. arrived - hadn't started** at the opera house, the musical show **.
8. I **B. wasn't making - was baking** airplane models with my sister yesterday evening. I **some cookies with her**.
9. When **C. did...see** you Robert and Ben arguing with each other the other day?
10. A lot of audience members **D. were giving - was performing** flowers to the singer as she **on stage**.
11. They **B. had wanted - was** to attend that rock concert but there **no more tickets**.
12. **D. Did...take - had left** you a photo of the Taj Mahal Palace before you **Mumbai**?