I can something biting my feet in the water.— Can you It may be a fish.

The experiment is of particular importance. —I see. We will carry on with it ________ we can get enough money.

Do you think Andy can be a good policeman— Yes, I think so. He has the ability to stay when something dangerous happens.

________it is，the boy never seems to be able to finish it off

She had hardly got back to the kitchen ________ the doorbell rang