1. If you want to pass the exam, you39;d better .....

1. If you want to pass the exam, you39;d better ..... some studying. A) do B) to do C) doing D) done 2. If I knew the answer, I ..... you. A) will tell B) tell C) would tell D) had told 3. I will send you an e-mail when I ..... back in my country. A) will be B) am C) have been D) should be 4. By the time we arrived at the station, our train ..... . A) left B) had left C) had been leaving D) was left 5. It was ..... film that we left before the end. A) such a boring B) so boring C) the most boring D) a so boring 6. Would you mind ..... the window? It39;s very hot in there. A) open B) openign C) to open D) opened 7. David39;s mother мейд him ..... his bedroom. A) to clean B) cleaning C) clean D) cleaned