This cake is very sweet. You _____ a lot of sugar in it.
—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.
It remains to be seen _______the newly formed committee’s policy can be put into practice.
— How far can you run without stopping?— ________. I’ve never tried.
Anyone, once _______ positive for H7N9 flu virus, will receive free medical treatment from our government.