8 had treated 9. had seen: 10. hadn't locked Unit 2 1. I don'tknow or not A. if Alice comes B if Alice coming C. whether Alice comes D. Alice is coming 2. He couldn'tremember A. what was the formulae B what the formulae was C. what were the formulae D. what the formulae were 3.I doubt we will pass the exam A. whether B. that C what D. which 4.I have no idea A. when will he come back B. when come back will he C. when he will come back D. will he come back when 5. Five friends have decided by train together A. whether they would travel B. that they would travel C. who would travel D. which travel they would 6. How annoying A that they are making so much noise B. is they are making so much noise C. is it that they are making so much noise8. had treated; 9. had seen; 10. hadn’t locked Unit 2 1. I don’t know ______ or not. A. if Alice comes B. if Alice coming C. whether Alice comes D. Alice is coming 2. He couldn’t remember ________. A. what was the formulae B. what the formulae was C. what were the formulae D. what the formulae were 3. I doubt ________ we will pass the exam. A. whether B. that C. what D. which 4. I have no idea ________. A. when will he come back B. when come back will he C. when he will come back D. will he come back when 5. Five friends have decided ________ by train together. A. whether they would travel B. that they would travel C. who would travel D. which travel they would 6. How annoying______! A. that they are making so much noise B. is they are making so much noise C. is it that they are making so much noise