There is _____800-meter-long road behind____ hospital.A. an, an B. an, the C. a, the
Mike has much difficulty ________ Chinese so he often asks me ________ help.
_we were walking along the river, we heard a cry for help.
A talk about how to look after pets _________ in our school next week .
What colour can _________ you _________ a warm sunny day?
I like watching ________ because I can learn a lot about nature, history and real-life events from them.