—Why didn't you come and buy the new book with me yesterday?—Sorry, I ______ at that moment.
-- _______I take some photos in the hall? --Sorry, you_______.
He eats ________ food, so he is ________ fat.
The boy ________have ________ brothers ________ sisters.
Our teacher is strict ________us ________everything.
There is_____________ elephant in the zoo,___________ elephant is from Africa.