新概念小题大做126课

liuqing

二级练习：

1. has to

2. Must     needn't

3. must

4. have to

5. has to

6. have to

7. don't need to

8. need to

基础测试

ADCAB

CABBA

真题测试

DACCB

快乐无忧

Thank  you