John, look at the time. ______ you play the piano at such a late hour ?
| A．Must | B．Can | C．May | D．Need |
（届四川省成都树德中学高三3月阶段性考试英语试卷）
Most volunteers are from universities, _________ it is not uncommon to see middle and primary school students too.
| A．though | B．however | C．since | D．even if |
（2014届陕西省五校联盟高三第二次模拟考试英语试卷）
If you had seen a doctor, you much better now.
| A．are | B．will be | C．would be | D．would have been |
（届湖南省长沙市重点中学高三第七次月考英语试卷）
Don’t worry! All the problems will be settled ________ we join hands.
| A．only if | B．if only | C．what if | D．even if |
（2014届北京市东城区高三3月质量调研英语试卷）
James was enjoying the art show, _________ his wife wanted to go home.
| A．or | B．for | C．so | D．but |
（届江苏省淮州中学高三3月份模拟英语试卷）
---The mountain village is so beautiful.
---Yes. Moreover, ______the villagers live, there is fresh air.
| A．where | B．that | C．when | D．whether |