The poster says that a writer and poet ___ to give us a talk on English next week.

He’s got himself into a dangerous situation _____ he is likely to lose control over the plane. 

Physics ________ my favorite subject. I like it so much that I wish we had a physics class every day.

 One-third of the area ________ covered with trees. About seventy percent of the trees _______ been planted recently.

------Did you go to the show last night?------ Yeah． Every boy and every girl in the area ____ invited．