What is bothering Obama is how to improve medical care to benefit people. __________, how to create health care system that helps people is his present-day trouble.
He looks very tired . He ____ to bed too late last night .
The girl was frightened by the thief , and she stood there without ____ speak .
Why did you keep it a secret from me ? I ____ about it .
— You ought to have called her yesterday . — Yes , I know I ____ .
________, the gathering crowd burst into applause.