江苏省启东中学2009届高三英语单元检测（七）
单项填空
1. What you said just now has ______ the matter we are discussing. Let’s come to the point.
A. something to do about B. nothing to do about
C. something to do with  D. nothing to do with
2. By the time Einstein was 14 years old, he ________ himself advanced mathematics.
A. has taught  B. taught 
C. had taught  D. was teaching
3. ______ at the airport, he telephoned his wife and bold her what he would do when he got home.
A. Once arrived  B. As soon as he reached 
C. When he got  D. Upon arriving