A great number of small power stations ________ (set up) in their county since liberation.
have been set up
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Somemoleculesarelargeenough________(see)undertheelectronicmicroscope.
Thefloordoesnotlooksobadwhen________(sweep)clean.
Themorewelookedatthepicture,________.
Hefellasleepimmediatelylastnight;hemust________(be)verytired.
Night________(fall),wehurriedhome.