There is ___ elephant in the zoo. ___ elephant is from China.A. a, TheB. an, TheC. the, An
Health is very _____and every student knows the _____of keeping healthy.
Our country _______ a lot in the last fifty years.
She said she had some trouble ___________ her homework.
---Is the notebook Carla’s?---It _____be hers. It has Mary’s name on the cover.
---What’s wrong with you, Dave? ---My homework can’t be __________ on time because I’ve left it at home.