四六级考试

【单选题】 According to the author, knowing the cause of the misery will help______.
A．shorten the duration of the illness
B．the patient buy medicine over the counter
C．the patient obtain cheaper prescription drugs
D．prevent people from catching colds and the flu

【单选题】 You will hardly believe it, but this is the fourth time tonight someone ______ me.
A．should telephone
B．telephoned
C．has telephoned
D．telephones

【单选题】 Dried leaves continue to hang on the branches of some deciduous trees _________ the new leaves appear.
A．until
B．by
C．that
D．from

【单选题】
A、In the waiting room of a hotel.
B．In the hall of a restaurant.
C．At the railway station.
D．In front of a theatre.

【单选题】
A、He found a boy walking in the forest in the U.S.
B．He taught a healthy boy how to have conversation with others.
C．He taught a disabled boy some simple daily skills.
D．He put his son in hospital.