Last summer I took a course on _______ poisonous gases.
A．how to deal with B．what to deal with
C．how to be dealt with D．what to be dealt with
Both the girl and her dog ______ were crossing the street were hit by a coming car.
A．which B．what C．that D．they
All the students ______ to inform their parents _______ the mid-term exam results.
A．require; of B．are required; of
C．require; about D．are required; on
John is a man of much _______ and he had a lot of interesting _______ in his life.
A．experiences; experience B．experience; experience
C．experiences; experiences D．experience; experiences
The girl ________ name was Diana sat next me.
A．who B．whom C．whose D．that
The light ________ and the room became complete dark.
A．put out B．went on C．put off D．went out
