E-mail, as well as the telephone, ___________ an important part in daily communication.
A．is playing B．have played C．are playing D．play
-- “____either you or he to go there?”
--“_____is.”
A. Are; Both B. Are; Neither C. Is; Neither D. Is; Each
Can you imagine what difficulty people had this year ________ against the severe natural disasters?
A．fighting B．to fight C．fought D．Fight
Many a student ________ failed in the biology exam，and Tom is the only one of them who ________ decided to give up the course.
A．have；has B．have； have C．has；have D．has；has
— I hear Jane was knocked down by an electric bicycle and sent to hospital.
— _______, we should go and see her immediately.
A. If so B. If necessary
C. On condition that D. Believe it or not
The books by Mo Yan are so popular that they are in great _______.
A. quantity B. progress C. production D. demand
