--- What book are you reading? Wow, Harry Porter! May I have a look at it?--- Yes, of course. You         have it as soon as I get through with it.

The doctor recommended he ____ a few more days in hospital.

The maths teacher demanded that all the students _____ the examination paper within one and a half hours.

You       very fast if you went from New York to Boston in six hours.

It has been announced that all the students ______ put on the masks before going to school in case they are infected with SARS virus.