标题: After she became a lawyer, she decided to ( ) in contract(契约)law. [打印本页] 作者: 李老师 时间: 2017-4-13 10:57 标题: After she became a lawyer, she decided to ( ) in contract(契约)law. After she became a lawyer, she decided to ( ) in contract(契约)law.
A. study
B. learn
C. contribute
D. specialize
满分：2 分
2. The booking office sells tickets 3 days （ ） .
A. in the end
B. at last
C. in advance
D. in time
满分：2 分
3. No driver is allowed to drive his car into this area （ ） he has a special pass.
A. unless
B. if
C. if only
D. except