Do you have any books_____science?-I’m sorry, I don’t.[ ]
Our parents can _______ us ________ food and clothes.
When did you ________? —Ten years ago.
Is this your schoolbag? – No, it isn’t. Ask Bill. He is looking for_______.
Can we find before an earthquake?—-Yes. Some animals will run wildly and some plants will come out in the wrong season.