_______ many times, but he still couldn’t understand it.
| A．Having been told | B．Though he had been told |
| C．He had been told | D．Having told |
— I am afraid the task is too difficult for me, sir.
—___________, Linda. Just believe in yourself!
| A．No problem | B．That's all right | C．That's OK | D．Come on |
— John, where are the cookies? Don't tell me you ate them all.
—___________. I couldn't help it. They were so good.
| A．Yes, I did | B．No, I didn't | C．Yes, I have | D．Why? Sound strange |
Mike had to walk home___________his bike stolen.
| A．with | B．as | C．for | D．since |
So far, several cases of a disease, ___________as H1N1, are reported to have been found in the country.
| A．knowing | B．to be known | C．having known | D．known |
. — Where is your uncle's home?
— In New York. But he___________in Boston for four years.
| A．has lived | B．lived | C．had lived | D．had been living |