此处
His new book _____ next month.
His new book \_\_\_\__ next month.
Nobody allows to smoke here because smoking indoors is against the law.
Nobody allows to smoke here because smoking indoors is against the law.
The development of industry has been _____ gradual process throughout _____ human existence, from stone tools to modern technology.
The development of industry has been \_\_\_\__ gradual process throughout \_\_\_\__ human existence, from stone tools to modern technology.
A new house _____ at the corner of the road.
A new house \_\_\_\__ at the corner of the road.