20．The actress looks very young but _______she is more than forty yearsold.

Would you please pass me _____ sugar on thetable

The days are gone _______physical strength was all you needed to make a living.

t we’ve discussed our problem, are people happy with the decisions _______

resident Barack Obama on Wednesday paid honor to health care workers who have treated Ebola patients in West Africa, calling them “heroes”_________ to be applauded rather than discouraged.