The telephone____by Alexander Graham Bell in 1876.A.is inventedB. was inventedC. were invented
—Will they send their homework _____ the teacher _____ email? —Yes, they will.
---________ did you spend on this book? ---Ten yuan.
Tom likes _____ but he _______ yesterday.
There are _________ people in the zoo.
There is ________ food here . We don' t need to buy any.