Откройте скобки: by eight o*clock yesterday i (to do) my homework and at eight i ( to play) the piano.

by eight o'clock i was doing my homework and at eight i was playing the piano.

i had done my homework ( указательный предлог by)

was playing

you ask me about the sightseeings of moscow.

i think first of all your friend should visit red square. i also think that your friend should visit such sightseengs as the tretyakov gallery, the borodino panorama, christ the savior cathedral, the monument to peter ithe first, the novodevichy convent, manezhnaya square, the arbat.

my favorite sightseeings of moscow are the old arbat, the tretyakov gallery and thepushkinmuseum of fine arts.i hope you will tell us more about your  friend's hobby. what sport does he like? at what age did  he begin to go in for sports? did he take part in any sport competitions?

sales assistant: hello, how may i help you? customer: hi! i'm looking for some cheddar cheese. can you please direct me to it? sales assistant: of course. here you go. how much cheese would you like? customer: can i please have one big chunk and some grapes too.sales assistant: certainly. what kind of grapes would you like? customer: i would like some red seedless ones, please. oh, and i would like to buy a loaf of bread, as well.sales assistant: here is our bakery aisle, please choose any type of bread you wish.customer: thanks. i'll have a loaf of granary bread and a couple of bread rolls too.sales assistant: is there anything else i can help you with? customer: yes. i'm also after a new hairdryer and an ipod for christmas.sales assistant: please follow me.customer: thanks for all your help. how much does that come to? sales assistant: £200 altogether. would you like a bag? customer: yes, please. thanks. bye.sales assistant: thank you. bye!