________ he is a child, ______ he knows much about the computer.

 I’m really tired of Tom because he ______ keep asking silly questions. 

_Can you write a letter in English? _No, I______.I know only a little English.

— May I take the magazine out of the reading room? — No, you can’t. You _________ read it here. It’s the rule. 

--It is really fun to hike and I often go hiking in the forest.--But hiking alone in the forest ______ be very dangerous.