(2013·东北三校4月二次联考)No matter how healthy you ________ be, you need to consult a doctor from time to time.

t think it easy, even if we work hard,______ the South Korea and the North Korea to sit down to talk at present.

－It’sdifficult for me to pass the English exams．－So doI．But we shouldn’t hope．

Mary is giving me English lessons__________my teaching her Chinese.

When I was seven coughing , my mom said no ice-cream for me.