Just as the experts _______ it, this kind of material is not natural, but man-made.
Between the two roads ________ a TV tower called“Skyscraper Tower”.
Nothing but one desk and six chairs ________ in the room.
“If anybody ________,please put down ________ name,”said the teacher to the monitor.
The secretary and principal ________ at the meeting now.
Thirty dollars ________ too expensive.