More than one student_______absent from Mr.Smith’s class.
________to sunlight for too much time will do harm to one's skin.
--Shall we go to visit Uncle Lee this weekend? --_________. I wonder whether I will be free that day.
No one is allowed ______ in the classroom.
The rice made _____ possible to produce one-third more of the crop in the same field.
I regret ______ you that you will miss your flight if you don’t hurry up. You have only twenty minutes to go.