【单选题】
The president has an ____________ secretary.
【多选题】
He has ______________ to be an engineer.
【单选题】
Has he _______ the chair _______ yet?
【判断题】
John has never acted as he should have done. 此句中的“done”替代了“has”.
【单选题】
Vegetarianism has ( ) its cranky image
【单选题】
Our factory has ____ for years.
③
many equipments of fire
【单选题】
It is an ____ change that has taken place.
【单选题】
The book has a great ____________ on me.
【单选题】
_______ he has said is not true.