一What do you think of the UNICEF?一Great. Its programs _______ thousands of children in Africa who would have otherwise died from lack of food or terrible diseases.
We ________ have bought so much food now that Suzie won't be with us for dinner.
—Why are your eyes so red? You ________ have slept well last night. —Yeah, I stayed up late writing a report.
Harry is feeling uncomfortable.He ________ too much at the party last night.
Days later, my brother called to say he was all right, but ________ say where he was.
The door ________ open, no matter how hard she pushed.