3. He knows so many difficulties are in front of him. He will not, _______, give up.

2. It rained hard, _______ she came before anybody else.

Section1 用连词填空[and, but, however, while, although]

1. British English _______American English are more or less the same.

10. production ________(v./n.)

9. continent_________(adj.)

8. industry ________(adj.)

7. lucky _________(opposite 反义词)

6. hungry_________(n.)

5. poor __________(n.)

4. pollution _________(v.)