With so much noise of the traffic,I couldn’t________ my research work.
Do you think the presidential election between Obama and Romney is worthy?
Almost everyone has his own strengths and weaknesses. It isothers are weak that maybe you have a great advantage.
----You didn’t wait for Mr. Smith last night, did you? -----Yes, but we. He didn’t return home at all.
----She didn’t take the medicine last night, did she? -----.
To tell the truth, if it were not for the fact that youmy daughter, I would not take such pains to serve you.