1 . Even if you have a ____________, I won’t ____________you to enter the hall without my ____________. (permit)

2 . 　　5　　 do you guess will give a talk on English tomorrow?

3 . It’s believed that taking these drugs may seriously __________(danger) your health.

4 . However, some people believe that cloning human embryos with the ______(intend) of destroying them shows no respect for human life.

5 . A woman on the bus shouted , “Oh dear “ It is ______（I）”.

6 . My mother________ (devote)most of her time to ______(care) for my sick father.

7 . Seeing his funny action, the audience _______ ________ laughing.(突然大笑）

8 . The prisoner ________ _______ (从....逃走）the prison last night.

9 . Some people will _________ (success) in their efforts to stop smoking. （所给词的适当形式填空）

10 . I had no idea what hydrogen was, and I didn't really want to know, ________!（用适当的词填空）