【求助】再问几道英语单选

题目

【求助】再问几道英语单选
The pilot asked all the passengers on board to remain _____ as the plane was making a landing.
A．seat B．seating C．seated D．to be seating
Mr.Reed made up his mind to devote all he had to _____ some schools for poor
children.
A．set up B．setting up C．have set up D．having set up
Is this the reason _____ at the meeting for his carelessness in his work?
A．he explained B．what he explained C．how he explained D．why he explained
—What’s the name?
—Khulaifi._____ I spell that for you?
A．Shall B．Would C．Can D．Might

答案