【单选题】
24.He might have been killed ____the timely arrival of the ambulance.
【判断题】
A: Have you been wasting time on computer games again? B: Not really. I’ve been studying a lot and I need a break.
【单选题】
At this stage we cannot tell you____ you have been selected for the job or not.
【单选题】
All people, [] they are old or young, have been trying their best to help those in need.
【单选题】
38. In recent years much more emphasis has been put______ developing the students productive skills.
【单选题】
I often ______ the cooking for my family, but recently I have been too busy to do it.
【单选题】
Its the second time that I __________ in Shanghai ! What great changes have taken place in Shang Hai. It is ten years since I __________ it last time.
【单选题】
________work and creative activities have been important drivers of human progress is deeply rooted in our social values.
【单选题】
A: How long have you been here?B: Not for long, only about five minutes. Alice and Monica ______ here with me.
【单选题】
16. I have been climbing _____ Alps, But I never managed to get up_____ Mont Blanc.